A subterranean museum below architect Eero Saarinen's iconic arch in St Louis has been renovated and expanded by three architecture firms, as part of an effort to rejuvenate the area around the monument. More
Arc Designs has created a cantilevered viewing platform, and walkway with a glazed floor, perched on one of the highest points of the Rock of Gibraltar. More
German artist Thomas Schütte has added a log cabin topped, with an asymmetric shingled roof, to the array of buildings on the Vitra Campus, in Weil am Rhein. More
Brochet Lajus Pueyo has completed a swimming pool in Saint Gilles Croix de Vie, France, with a roof informed by waves and the movements of manta rays. More
American firms Lake Flato and Matsys, along with landscape architect Rialto Studio, have designed a riverfront park in southern Texas, with sculptural pavilions that provide shade on sunny days and help collect rainwater during storms. More
Vancouver firm Michael Green Architecture has built a boathouse for storing racing shells and sails and monitoring maritime activity, with translucent walls and garage doors. More
With the FIFA World Cup 2018 kicking off today in Russia, here's a look at all 12 of the stadiums that will be hosting games over the next month. More
The opening game of the FIFA World Cup 2018 takes place today inside Russia's national stadium, which has been overhauled by Moscow studio Speech. More
Drivers cruising along one of Norway's Scenic Routes can take a break at this mirrored toilet that reflects the surrounding landscape. More
Ptolemy Dean Architects has added a star-shaped tower to London's Westminster Abbey, the most significant addition to the building since 1745. More
To mark 150 years since the birth of Charles Rennie Mackintosh, we're looking back at five influential projects that defined his career. We round off our celebration with the Willow Tea Rooms in Glasgow. More
A helium balloon tethered to a cantilevered track is among the winners in a competition to design a conceptual observation deck to overlook a volcano's crater in eastern Turkey. More
Herzog & de Meuron's plans to update Chelsea FC's Stamford Bridge stadium have been put on hold indefinitely due to an "unfavourable investment climate". More
Kengo Kuma and OODA have paired up to transform a disused slaughterhouse in Porto into a cultural centre, which will feature art galleries and a library beneath a sweeping ceramic-clad roof. More
The Temperate House conservatory at Kew Gardens in Richmond upon Thames, London has reopened to the public following a five year restoration by Donald Insall Associates. More
Dutch architect Julius Taminiau has created a temporary startup hub using shipping containers in an Amsterdam science park. More
Four teams including architects Amanda Levete, Carlo Ratti and Junya Ishigami are vying to improve facilities at the Eiffel Tower, in time for the Paris 2024 Olympic and Paralympic Games. More
South Korean studio CoRe Architects has transformed a former military bunker in Seoul into the Peace and the Culture Bunker, a creative hub for the local community. More
Graduate Lilach Borenstein has proposed creating a multi-storey tower with varied topographies as a monument to tranquility and antidote to hectic urban living. More
The great-grandson of art collector Peggy Guggenheim has opened a gallery at an eco-resort in Tulum, where wave-like cement walls and undulating vine floors provide an unusual backdrop to artwork. More