A war can erase a skyline overnight. Roofs collapse, streets become impassable, and landmarks that once oriented everyday life are reduced to rubble. The most profound loss often remains invisible. Buildings can be surveyed, photographed, scanned, and, eventually, rebuilt. The knowledge that produced them is far more fragile. It survives in the hands of stonemasons who understand how a limestone vault carries its load, carpenters who know how timber joints respond to seasonal movement, plasterers who mix lime by memory rather than measurement, and residents whose everyday rituals keep these buildings in use. When these people are displaced, killed, or forced to abandon their trades, reconstruction inherits a problem that no drawing or digital model can solve. Stone can always be quarried again. Recovering the knowledge to shape it takes much longer.
This decision, however, points to a challenge shared by almost every heritage system worldwide: how to legally protect architecture that has not yet reached the minimum age—formal or informal—to be considered "historic"?
The UNESCO World Heritage Committee has announced 25 new inscriptions to the World Heritage List during its 48th session, expanding the international register with sites that reflect a wide range of architectural, cultural, and natural heritage. The 2026 additions include 19 cultural properties, five natural sites, and one mixed property, alongside approvals for two significant boundary modifications and one revision to the criteria of an existing inscription. Spanning every inhabited continent, the newly recognized places range from archaeological landscapes and historic urban centers to modernist architecture and industrial heritage, underscoring the diversity of the built environment and the evolving scope of heritage conservation.
The UNESCO World Heritage Committee has inscribed Aalto Works, a collection of thirteen buildings and architectural ensembles across Finland designed by Aino Marsio-Aalto, Elissa Aalto, and Alvar Aalto, on the UNESCOWorld Heritage List. The designation recognizes the international significance of a body of work that helped redefine modern architecture through a human-centered approach, emphasizing the relationship between buildings, everyday life, nature, and social well-being. Spanning projects completed between the late 1920s and the 1980s, the series represents Finland's contribution to the Modern Movement while acknowledging the collaborative practice of the Aaltos and their studio.
Since August 2025, debate has intensified in Dallas, United States, over the future of one of its modern landmarks: I.M. Pei & Partners' Dallas City Hall. As of today, the Dallas City Council will continue weighing whether to repair, sell, or demolish the 47-year-old building, following growing concerns over long-deferred maintenance and the need for major investment. In late October 2025, council members began public listening sessions and committee meetings to gather resident input. Preservationists and some council members urged a full study of repair options and historic landmarking, while others emphasized fiscal and operational concerns. Since then, the Dallas City Council has been looking for a new building to relocate to, without formally deciding on the demolition.
Supporters of preservation stress the building's civic and architectural significance, while those advocating for demolition point to high maintenance costs and the redevelopment potential of the centrally located site. A petition to "Save Dallas City Hall," calling on council members to halt demolition plans and commission a transparent renovation study, remains open for signatures. Meanwhile, the mayor has said he wants to review all the facts before taking a position on whether the city should relocate or invest in repairs. On the occasion of the 250th anniversary of the United States' Declaration of Independence, the World Monuments Fund included the building on the "Irreplaceable America" list, spotlighting urgent preservation needs. The case adds to the growing list of modernist icons worldwide facing uncertain futures, sparking broader cultural debates about civic heritage and public infrastructure.
Architecture this week looked as much to the past as to the future. Across museums, restored landmarks, and large-scale urban redevelopments, the featured stories explored how architecture is continually reinterpreted through new cultural, political, and urban lenses. From reconsidering the architectural legacy of post-independence West Africa to transforming former prisons into energy-neutral neighborhoods and restoring twentieth-century cultural landmarks, the projects demonstrate how existing buildings and histories remain active participants in contemporary discourse. Alongside these interventions, the announcement of the World Architecture Festival shortlist and renewed attention to global urban growth provide a broader picture of a profession negotiating heritage, environmental responsibility, and rapidly changing cities.
In June 2026, the refurbished Teatro Mauri reopened its doors on Cerro Bellavista in Valparaíso, formerly Chile's main port. The building forms part of Latin America's modernist legacy and stands adjacent to La Sebastiana, one of the renowned residences of the poet Pablo Neruda. It was designed by architect Alfredo Vargas Stoller, author of other icons of modern architecture in Valparaíso, such as the Edificio Cooperativa Vitalicia and the Conjunto de Viviendas Vargas in Viña del Mar. Teatro Mauri opened in 1951 as a venue for performances and cinema. Following a fire in the early 1990s, it fell into disrepair, serving only sporadically as a venue for local parties and events. In 2015, it was purchased by the Sociedad Chilena de Autores e Intérpretes (SCD), which commissioned its restoration from architects Laura Garrido and Gregorio Garretón.
A new space dedicated to contemporary art on the Île Seguin, in the Greater Paris area, is opening in October 2026. The new cultural institution, named "Large," will be housed in a building designed by Catalan architects and Pritzker Prize recipients RCR Arquitectes, the studio's first project in Paris. It is situated on La Pointe des Arts, a large-scale redevelopment of the Île Seguin's former industrial area into a mixed-use complex spanning more than 53,000 m² and focused on arts and culture. The project's architectural massing follows the stratification concept set out in the masterplan by Ateliers Jean Nouvel. The institution will open with the exhibition "Imaginary Engine: From Masterpieces of the Collection Renault to Artists of Today," bringing together 55 artists from 23 countries to explore the relationship between humanity and machines, in tribute to the site's industrial history and Renault's decades-long collaboration with artists.
Dallas City Hall, Texas. Image via World Monuments Fund
On the occasion of the 250th anniversary of the United States' Declaration of Independence, the World Monuments Fund has announced a new list of ten heritage places representing the country's history. The special initiative, titled "Irreplaceable America," recognizes historic places across the country whose preservation is considered "essential to the richness and complexity of American history," spotlighting urgent preservation needs. From the oldest botanical garden in the country to I.M. Pei's modernist Dallas City Hall, the selected sites bear witness to Indigenous heritage, artistic experimentation, and public health, colonial, and Black history.
Tell the Water What the Clay Kept Secret. Image Courtesy of Ola Hassanain
Ola Hassanain is a Sudanese architect and artist operating in the Netherlands, and will be exhibiting at the Pan-African Architecture Biennale in Nairobi, Kenya, later in 2026. All three locations tell stories of the built environment's relationship with water. These illustrate the continuous battles between the amorphous forces of nature that are the rivers and seas, and human attempts to shape and control them. In most cases, they are attempts at extraction. Catastrophes happen as a result of the overreach of these attempts or of their mismanagement, or both.
The conversion of disused religious temples through cultural programs constitutes one of the most compelling adaptive reuse strategies in contemporary urban planning. This functional compatibility seems to be rooted in the specific characteristics of churches: their central naves offer large-scale, clear floor plans and monumental cross-sections that easily accommodate the volumetric requirements of museums, theaters, or community hubs. Furthermore, the acoustic properties inherent to their vaulted ceilings, combined with intentional natural lighting filtered through stained glass windows or domes, create the spatial conditions for activities ranging from the performing arts to the exhibition of cultural artifacts. By assuming a public and cultural role, these buildings not only avoid demolition or physical abandonment but also preserve their status as urban and identity landmarks within the city fabric, revitalizing their immediate surroundings without altering their historical significance.
Over the years, cinema architecture has continually reinvented itself. From cinematic experiences that engage multiple senses to material technologies that reinterpret the aesthetics of past eras, the concept of the movie theater has enabled the recovery, revitalization, and renewal of numerous obsolete, ruined, or even historically protected spaces. Just as the Majestic Cinema reflects an important community function in Zanzibar, Tanzania, many twentieth-century buildings have found in adaptive reuse an opportunity to restore and preserve cultures, memories, and traditions that remain meaningful to their communities.
Between 2005 and 2021, French photographers Yves Marchand and Romain Meffre developed a long-term project titled Theaters. Recently exhibited at KYOTOGRAPHIE 2026, the work documents a phenomenon that continues to unfold gradually around the world: the decline of infrastructure originally designed for public entertainment in the early twentieth century. Theaters, cinemas, and performance venues that once accompanied the modernization of cities are increasingly being abandoned, repurposed, or "left suspended as hybrid ruins." This process is often associated with the growing individualization of cultural consumption, from the widespread adoption of television to the rise of the streaming industry, as well as the impact of the COVID-19 pandemic on cultural institutions. Below are three cases located in England, Chile, and Japan that illustrate different stages in this transformation, while also highlighting community-led efforts to preserve modern cultural heritage.
San Diego, California. Photo by Samuel Ramos on Unsplash
Very close to the Mexican border, in the southwest corner of the United States, lies the city of San Diego. Its urban history began in 1769 with the arrival of a Spanish military expedition commanded by Gaspar de Portola, which marked the first permanent settlement in the territory that was known as Alta California. However, unlike the more formally urbanized administrative capitals and towns of Mexico and Central America, San Diego was conceived as a frontier outpost. Today, it has become the second-largest city in California, just after Los Angeles, and its urban grid tells a story about the Hispanic heritage that is intertwined with the contemporary cultural environment of the United States.
The Sharjah Architecture Triennial (SAT) presents A Journey into Architecture Archives: Baghdad, Damascus, Tunis, curated by George Arbid, on view from May 2 to July 12, 2026, at Al Qasimiyah School. Developed as part of SAT's long-term research program, the project continues the institution's commitment to documenting and safeguarding architectural archives across the Arab world. Bringing together archival materials, physical models, and newly commissioned films, the exhibition examines how architectural histories are constructed, preserved, and revisited over time.
Pico House, part of Los Angeles Plaza Historic District. Image by Daniel L. Lu - Own work, CC BY-SA 4.0
Today, the urban form of Los Angeles is characterized by 20th-century sprawl and extensive automotive infrastructure. However, the physical reality of the city's original core reveals a more complex history that is deeply rooted in Hispanic heritage. In fact, Los Angeles did not originate from the standardized American land system that defines most of the United States' territory. Instead, it is a product of the Spanish urban tradition in the Americas, which followed a structure repeated across major cities on the continent. The intersection of these systems created a layered urban geometry and history that remains visible in the city's contemporary street patterns.
When Los Angeleswas founded in 1781 as a pueblo by Felipe de Neve, it was an outpost of the Viceroyalty of New Spain. Viceroyalties were political divisions of the Spanish territories in America, and by the late 18th century, New Spain was vast. It stretched from southern Costa Rica, all the way north to Alta California, bordering the east at the Mississippi River and the newly independent United States of America. At this time, Mexico City functioned as the primary administrative and economic hub, leaving frontier regions like Alta California to rely on a specific triad of settlements: missions (religious), presidios (military), and pueblos (civilian).
