Longwood Gardens, a botanical visitor attraction near Philadelphia, US, has revealed plans for a US$250m redevelopment project. The historic site – one of the largest horticultural gardens in the US – will transform its visitor experience through the revitalisation of 17 acres of its core conservatory area. The 'Longwood Reimagined' project – set to be completed by late 2024 – will expand the public spaces of the central grounds and

The Four Seasons Hotel Philadelphia has opened after delays, marking the completion of Foster + Partners' mixed-use Comcast Technology Center. Rising 1,121ft (341m) and 60 storeys, the tower is aimed at engaging the community. Shops, bars, restaurants and a 32,000sq ft (3,000sq m) fitness centre are mixed in with workspaces for Comcast and NBC10, as well as the Four Seasons hotel in the building's top 12 levels. Nigel Dancey, head

The opening date for the Four Seasons Philadelphia has been set for 12 August. The property was originally scheduled to open in Q3 2018. The 219-bed hotel, located atop the 1,121ft (342m) Comcast Technology Center in Philadelphia’s downtown, offers views from the 48th to 56th floors. Set above it, the spa will include seven treatment rooms and an indoor infinity pool. The 17,321sq ft facility will encompass the entire 57th

George Foreman III – son of the heavyweight prizefighter – and Boston-based practice Studio Troika have designed the EverybodyFights boxing gym in Philadelphia. Situated in the city's Rittenhouse neighbourhood, the 12,000 sq ft (1,114 sq m) space comprises a full-size boxing ring, multiple classrooms, and an open gym area with free weights and cardio equipment. Other features include a steamroom, a yoga room, a sports shop, and custom graffiti created

Architecture practice Populous have teamed up with Comcast Spectacor and The Cordish Companies to create the Fusion Arena – a US$50m (€44.2m, £37.7m) competition venue for professional video game players. Set to rise at the South Philadelphia Sports Complex, the 60,000 sq ft (5,574 sq m) arena will be able to accommodate up to 3,500 spectators and offer a slew of training facilities, studios, and streaming rooms for competitors. Fusion

Four Seasons will open a flagship hotel and spa in Philadelphia, US, in Q3 of this year. Set in the historic city’s tallest tower – the 60-storey Comcast Technology Center – the new Four Seasons Hotel Philadelphia at Comcast Center will include 219 bedrooms on the 48th to 56th floors. Above the hotel, the 57th-floor spa will include seven treatment rooms and an indoor infinity pool. The tower – a

The Philadelphia Museum of Art has officially kickstarted “a new phase of transformation and renewal”, with construction underway on an important phase of architect Frank Gehry’s wide-reaching masterplan for the institution’s main building. Around 67,000sq ft (6,225sq m) of public space – including 11,500sq ft (1,070sq m) for new American Art galleries and 11,500sq ft for contemporary art exhibitions – is being added to the museum as part of Gehry’s

Here are some of the most popular stories that appeared on CLAD this week, from an apple-inspired spa to an architectural addition to Unesco’s World Heritage list. Monday • Renzo Piano has released re-worked designs for his ‘Paddington Pole’ mixed-use development in London. Read here. • A contractor has been appointed to build a multi-level indoor Urban Sports Park for skaters in Folkestone, UK. Read here. • Two architecture competitions

Architecture firm Skidmore, Owings and Merrill (SOM) have unveiled a long-term masterplan to develop a vast new urban district in Philadelphia. The scheme, which is centred around the city’s 30th Street Station precinct, envisions 40 new acres of open space and 18 million square feet of new development, including an entirely new mixed-use neighbourhood. Over the next three decades and beyond, city planners want the station to become a new

The Ritz-Carlton in Philadelphia has unveiled a year-long, multi-million dollar renewal project to comprehensively update the hotel and add a restaurant, bar and public leisure spaces. Architects and interior designers Wimberly Interiors have co-designed the hotel upgrades – including new guest rooms and a refreshed lobby – with Coscia Moos Architecture and LW Designs. Meanwhile, restaurateur Richard Sandoval has advised on the design of the 206-seat Nuevo Latino Aqimero restaurant.

Kevin Spacey, the award-winning US producer and actor, is to give the keynote speech at the 2016 American Institute of Architects convention in Philadelphia. The star of hit Netflix series House of Cards will address the convention on 19 May about the importance of innovation and risk-taking. “What can architects learn from an award-winning producer and actor whose Netflix Original Series made appointment TV obsolete?” the AIA asked in a

Construction is to begin on a Bjarke Ingels Group (BIG)-designed office building adjacent to a newly-opened public park in Philadelphia, US. Developer Liberty Property Trust and joint venture partner Synterra Partners broke ground on the 94,000sq ft (8,733sq m) building, 1200 Intrepid Avenue, yesterday (30 June) at The Navy Yard waterfront campus. The four-storey structure curves inward on one side to connect to the new park. Its double curved surface

Dawson Design Associates is to transform a traditional hotel in Philadelphia, US, with an “art-inspired interpretation on modern luxury”. Hotel development and management company Sage Hospitality has unveiled plans to convert the former Four Seasons Hotel Philadelphia into The Logan, which will be part of Hilton’s luxury Curio collection. It is named after the influential Pennsylvania statesman, philosopher, diplomat and scholar James Logan. Renovation work has already started at the

Frank Gehry and the Philadelphia Museum of Art (PMoA) have unveiled a new masterplan for the 90-year-old museum site in America. Known for his famous cultural projects such as the Guggenheim Museum in Bilbao, Spain, Gehry’s latest designs for PMoA have been revealed in a new exhibition – Making a Classic Modern: Frank Gehry’s Master Plan for the Philadelphia Museum of Art – which is now open to the public.

Plans for the Philadelphia 76ers to create a new practice facility and office building along the waterfront of Camden, New Jersey, have taken a step forward, after the US state's Economic Development Authority (EDA) approved US$82m (€60.5m, £48.8m) in tax breaks for the team. The agreement will see instalments of US$8.2m (€6m, £4.8m) paid out annually over a 10-year period to cover state corporate business taxes, on the premise that