Infrastructure has long defined the backbone of cities by linking people, landscapes, and economies through systems that often go unnoticed until they fail. Today, as global challenges demand more adaptive and human-centered responses, architects are rethinking what infrastructure can be: not just a framework for movement and utility, but a catalyst for ecological restoration, cultural continuity, and civic imagination. The following unbuilt projects, submitted by the ArchDaily community, explore this expanded role of infrastructure, where airports, bridges, industrial parks, and pedestrian networks become architectural expressions of connection and care.
Foster + Partners has completed the Techo International Airport in Phnom Penh, Cambodia, marking a new chapter in the nation's vision for sustainable growth and improved regional connectivity. Situated 20 kilometers south of the city center, the airport's terminal building spans 235,500 square meters and forms the centerpiece of a 24-square-kilometer master plan. Drawing inspiration from Cambodia's vernacular architecture and tropical landscape, the design integrates cultural references and environmental responsiveness to create a contemporary yet contextually rooted gateway for internationaltravel. The first phase, including the head house and northern pier, opened to the public in 2025, while the southern pier is scheduled for completion by 2030.
This edition of Architecture Now brings together projects that explore how architecture is reshaping global gateways, cultural destinations, and urban living. SOM's design for a new Arrivals and Departures Hall in Austin and Scott Brownrigg's Heathrow West proposal highlight the airport as a civic threshold, while Kerry Hill Architects' three-tower precinct in Brisbane emphasizes public space and subtropical landscapes in high-density housing. Zaha Hadid Architects' beachfront tower in Florida extends Miami's sculptural coastal tradition, and Pharrell Williams and NIGO's Japa Valley Tokyo introduces a temporary cultural district blending art, hospitality, and retail. Together, these initiatives reflect how infrastructure, lifestyle, and design intersect to define contemporary urban experience.
The City of Chicago and the Chicago Department of Aviation (CDA) have broken ground on Concourse D at O'Hare International Airport, designed by Skidmore, Owings & Merrill (SOM) in collaboration with Ross Barney Architects, Juan Gabriel Moreno Architects (JGMA), and Arup. The project marks the first building in ORDNext, O'Hare's most ambitious expansion to date, and introduces a new chapter in the airport's modernization. Construction management is led by AECOM Hunt Clayco Bowa, with completion expected in late 2028. Planning is also progressing on Concourse E, the second satellite concourse designed by the same team.
Lithuanian Airports has announced Zaha Hadid Architects as the winner of the international competition to design the new arrivals terminal at Vilnius Airport. Conceived as an integral part of the airport's evolving infrastructure, the new terminal will complement the recently completed departure terminal, enabling Vilnius Airport to accommodate up to 10.6 million passengers annually. The project marks a significant step in the airport's long-term development strategy, addressing future growth in passenger demand while enhancing Lithuania's role as a key gateway in the Baltic region.
Tampa International Airport. Image Courtesy of Hensel Phelps and HNTB, in association with Gensler
From Bangkok to Billund, a new wave of architectural project announcements is reshaping how spaces for work, culture, mobility, and public life are conceived. Across Norway, Thailand, the United States,Denmark, Australia, and Thailand, these projects reflect an increasing emphasis on technological integration, sustainable construction, and flexible, future-ready environments. Whether designing production hubs for digital creators, adaptable media campuses, or civic landscapes layered with history and ecological intent, each scheme offers insight into how architecture is evolving to support emerging industries, cultural programming, and new forms of public engagement. This edition of Architecture Now brings together a selection of recently announced projects that highlight the intersection of design, technology, and innovation in a global context.
Western Sydney International Airport. Image Courtesy of Western Sydney International Airport
The first photos of the recently completed Western Sydney International (Nancy-Bird Walton) Airport (WSI) have just been unveiled, marking the delivery of Australia's first major airport in over half a century. The design was developed with Zaha Hadid Architects and COX Architecture involved in the initial design concept, and Woods Bagot as the leading design and delivery as part of Multiplex's design team. The terminal presents a new model for airport design, one that is grounded in its setting, responsive to its context, and oriented toward the future of travel. Located in Badgerys Creek on the Cumberland Plain, the terminal is positioned to serve as a long-term gateway to Greater Sydney. While major construction has concluded, final fit-outs of the terminal's retail precinct and airline lounges will be completed closer to the airport's official launch, as commercial agreements continue to progress. Western Sydney International Airport is on track to begin operations, including domestic, international, and air cargo services, in late 2026.
This month's architecture news spotlights a global wave of adaptive reuse, large-scale infrastructure, and public realm transformation. From airport expansions to museum reconfigurations, architects worldwide are rethinking how civic spaces serve communities in the 21st century. Notable developments include Sasaki, SLA, and MVVA being shortlisted to reimagine Toronto's Downsview Airport into a pedestrian-oriented public corridor, and HOK's 2.8 million-square-foot expansion of Dulles International Airport to accommodate future growth while honoring Saarinen's original vision. In Melbourne, Fraser & Partners received planning approval for a heritage-led redevelopment of the Boiler House precinct, while COLL-BARREU ARQUITECTOS completed a subtle reconfiguration of public access at Madrid's Reina Sofía Museum. Finally, in Canada, Knight Architects revealed the "Motion" design for the Alexandra Bridge replacement, an arching structure shaped by ecological references and inclusive public space. Read on for the latest updates shaping architecture today.
In recent weeks, a series of notable architectural projects have been announced, reflecting a broad spectrum of design approaches aimed at enhancing urban life, infrastructure, and environmental sustainability. From cultural venues to large-scale masterplans and infrastructural advancements, these developments highlight how architecture continues to shape cities and communities. Among them, Knight Architects' Kruunusillat Bridge in Helsinki marks a milestone as Finland's tallest and longest bridge, designed to support sustainable mobility. Meanwhile, Unibail-Rodamco-Westfield's masterplan for Croydon sets out a vision for a vibrant mixed-use district, integrating historic preservation with contemporary urban renewal. At Kew Gardens, Mizzi Studio's Carbon Garden introduces a new permanent installation that explores carbon cycles through landscape design. This collection of recent announcements underscores the evolving priorities in architecture, from connectivity and urban regeneration to climate-conscious interventions.
Westmark Lower School / NBBJ. Image Courtesy of NBBJ
Publicly occupied spaces can be overwhelming. Airports, schools, stadiums, and workplaces all feature environments with visual chaos that can be disorienting and stressful for individuals, especially those who are neurodiverse. The bombardment of stimuli, unpredictable movements, and competing visual information can create barriers to occupant comfort. Architects are regularly encouraged to create spaces that recognize and honor individual differences. Designing for neurodiversity is one way of championing inclusivity and extending principles of universal design.
As communities grow more multicultural and increasingly diverse, these spaces serve as physical manifestations of religious inclusion, encouraging the acceptance of religious and ethnic minorities within multicultural landscapes. Their proliferation reflects a growing need for inclusive environments that cater to diverse spiritual needs while promoting interfaith understanding. However, designing and implementing these spaces presents complex challenges, often sparking debates about representation, neutrality, and the very nature of sacred space. These discussions underscore the delicate balance architects must strike in creating spaces that are both universally welcoming and spiritually meaningful.
Adjacent to Toronto's Pearson International Airport, the Bombardier Aircraft Assembly Center represents a landmark project in Canadian aerospace design. Located next to Canada's largest airport, it blends 70,000 m2 (750,000 ft2) of technical precision with a focus on people. ArchDaily's editor Moises Carrasco had the opportunity to speak with Lilia Koleva, partner at NEUF architect(e)s and founder of the firm's Toronto office, which led this project. Koleva shared insights into her professional journey and reflected on the challenges of building and growing NEUF's Toronto-based office. She also discusses the Bombardier Campus, describing it as a defining project in her career, and how it showcases NEUF's ability to tackle large-scale, technically demanding projects while maintaining a focus on the people who use the space. This project builds on the office's prior expertise in industrial design and expands its portfolio of human-centered architectural solutions. Koleva also reflects on the importance of fostering collaboration, adaptability, and a clear understanding of client needs; qualities that have defined her approach to architecture and leadership at NEUF.
Courtesy of COOP HIMMELB(L)AU | Al Maktoum International Airport
Coop Himmelb(l)au has been selected to lead the architectural design for the new Al Maktoum International Airport in Dubai, United Arab Emirates. Working in collaboration with Dubai Aviation Engineering Projects (DAEP) and Dar Al-Handasah, the design integrates advanced structural solutions, energy efficiency, and modern technologies to create a facility of global significance.
The City of Chicago has just unveiled the design for the first phase of the transformation of O’Hare International Airport. Designed by Skidmore, Ownings & Merrill (SOM), the terminal represents the largest concourse area expansion and revitalization in the airport’s 68-year history. Designed in collaboration with Ross Barney Architects, Juan Gabriel Moreno Architects, and Arup, “Satellite One” seeks to become a landmark in the state.
Rafael Viñoly Architects has released new renderings of their design for the new international terminal at Aeroporto Amerigo Vespucci in Florence, Italy. According to the architects, upon completion, the new terminal is expected to welcome over 5.9 million passengers a year, becoming one of the largest airports in the Tuscany region of Italy. In a nod to the Tuscan traditions of winemaking, the terminal’s rooftop features a 19-acre productive vineyard. The project is divided into two construction phases, with the first one scheduled to be completed in 2026, and the second in 2035.
Construction is underway at the new Techo International Airport in Phnom Penh, Cambodia, designed by Foster + Partners. The project, located 20 kilometers from Cambodia’s capital city, draws inspiration from the vernacular architecture that defines the area, searching to provide adequate design solutions in response to the tropical climate. The commission, which was won following an international competition, includes the master plan for a new airport city in addition to the new terminal building.
Vertiport Terminal, Dubai. Image Courtesy of Foster + Partners
Foster + Partners has developed a provisional concept design for a Vertiport terminal, located next to Dubai International Airport, in collaboration with Skysports Infrastructure, the leading designer and operator of Vertiport technology for advanced air mobility.
Skyports Infrastructure and Dubai's Highways and Transport Authority are now considering four initial locations, with the DXB vertiport being one of them (RTA). The locations are envisioned as part of an electric vertical take-off and landing (eVTOL) infrastructure network that will link Dubai's most populated and well-known places and offer high-speed, zero-emission transportation. The RTA's Dubai Metro network and Dubai International Airport are just two existing transportation hubs with which the vertiport network will interact. By 2026, the RTA and Skyports Infrastructure intend to have a network of vertiports ready for use for air taxi services.
