Danish architects Effekt and global engineering consultancy Arup Associates have completed a tornado-shaped observation tower at the Camp Adventure Climbing Park in Denmark. The structure, which rises 45 metres above the Gisselfeld Klosters Skove – a preserved forest outside Copenhagen – features a winding ramp designed to accommodate visitors of all physical abilities. The tower also is linked to a 900-metre boardwalk that snakes through the nature park. According to

Sweden’s National Heritage Board has hit out at David Chipperfield's proposed design for the Nobel Center headquarters and museum in Stockholm. The project, first announced in 2014, has navigated a complex series of legal challenges, with its opponents taking issue with its size and close proximity to many of the Swedish capital’s oldest landmarks and museums. Even the country’s king has voiced his doubts over its proposed location on the

Architect Frank Gehry has been commissioned to develop the design for a model railway museum in Massachusetts, which will feature miniature work from a host of the world’s leading designers. According to The Boston Globe newspaper, Gehry visited the city of North Adams last week to visit the site earmarked for the 83,000sq ft (7,700sq m) Extreme Model Railroad and Contemporary Architecture Museum. Architecture practice Gluckman Tang had been developing

German aviation company Lufthansa-Technik has designed a new VIP aircraft interior concept with a wellness and relaxation theme and on-board spa. The Airbus A350 VVIP interior concept, called Welcome Home, is a cabin that places “the human being in the centre of the story” and “emphasises a comprehensive approach towards health and wellbeing on-board,” the company said. The concept was designed for people with busy, travel-heavy lifestyles. In the back

The Peabody Essex Museum in Salem, Massachusetts, is one step closer to a US$49m (€43.4m, £37.2m) facility expansion after the city’s Design Review Board approved the project unanimously. Now moving on to its construction document phase, the project will enter a new round of city review and approvals ahead of a proposed groundbreaking later this year. Plans originally envisioned a US$200m (€177m, £151.6m) expansion, but were abandoned following the death

Rotterdam-based design initiative Collective Paper Aesthetics (CPA) have created a new activity for the DASA Working World Exhibition in Dortmund, using a molecular modular system to create a buildable cardboard structure. Designed for family participation at DASA’s first Maker Faire Ruhr, German company city2science invited CPA to create an installation that would offer a participatory low-tech experience. Using specially designed, easy to construct, interlocking cardboard shapes, the CPA installation took

Populous – the architects behind the London 2012 Olympic Stadium – have appointed ex-Informa chief executive Peter Rigby as co-chair. Rigby joins existing chair Rod Sheard, who is the founder of the studio, in overseeing its business in Europe, the Middle East and Africa (EMEA). He spent 30 years at the multinational in a leadership capacity. During his tenure, the company increased its market capitalisation to £3bn (US$4.3bn, €3.8bn). In

Raison d’Etre’s spa and wellness brand LivNordic has launched the first of three spas planned on cruise ships as part of a partnership with Viking Ocean Cruises. Inspired by Nordic bathing traditions, including alternating hot and cold experiences, this ship’s spa offers the first snow grotto at sea. Inspired by nature, the LivNordic design, by Raison d'Etre, uses white pigmented ash, reminiscent of the Tree of Life in Norse Mythology