A 2010-12 effort to map every inch of the cathedral could help the post-fire reconstruction

Construction had been expected to start a week earlier, but new safety measures for the protection of workers are still being tested

Imaginatively curated, the fourth edition of the Königsklasse exhibition is as monumental as the Herrenchiemsee Palace in which it is installed

“Actions that take place on one side have a direct consequence on the other side,” say project founders

Companion book to an exhibition at the University of Texas at Austin offers new dimensions on the vast subject

A vast Art Deco mosaic celebrates the artistry of its often-overlooked creator

US architect's distinctive designs are among 29 designees recognised for their “outstanding value to humanity”

Hill House in Helensburgh has been covered to protect it from the rain while National Trust makes conservation plans

Turkish non-profit contemporary art space Arter is relocating to a state-of-the-art exhibition space in Dolapdere district

Building to rise next door that will double the museum’s exhibition space

World Monuments Fund completes restoration of the eastern half of Phnom Bakheng temple

A deal between the city and the church foundation aims to complete construction work on the architect’s quixotic final project

Kunsthalle Rostock, the only museum built under the GDR, remembers Berlin's asbestos-riddled parliament building and culture hub

The current approach to its restoration fails to take account of the interconnected structural “engineering” of Gothic architecture

The New York-based artist Cai Guo-Qiang shares personal memories and photos of his old friend, I.M. Pei

A Modernist villa and hut in the south of France feature wall paintings by Le Corbusier

German city launches €85m plan to prevent further decay of infamous rally grounds

Largely overlooked postscript suggests surprise friendship between the Van Gogh brothers and the young Belgian

The Chinese-American designer created some of the world’s most striking museum projects, including the Louvre’s glass pyramid entrance and the National Gallery of Art’s East Building

Exhibition at the Palazzo Grassi in Venice shows Tadao Ando’s designs for the Bourse de Commerce building

Planned Kiran Nadar Museum of Art will open up 6,000-strong collection to the public

Complex conservation issues mean it could easily take a decade or more to rebuild the Medieval cathedral

We talk about the effects of the fire at Notre Dame, the building’s history, and what happens next. And we speak to satirical artist Christopher Spencer, the man behind Cold War Steve. Produced in association with Bonhams, auctioneers since 1793.

The Belgian, known for his sculptures in a Northern European Gothic style, is already devising a new spire

Tragic fire destroys the roof, but vaulting saves the interior

The 19th-century spire has collapsed on the medieval landmark

The Los Angeles Modernist home was designed and lived in by Charles and Ray Eames

The great building as seen through the generations of its occupants

The Italian architect, who made Brazil her "adopted home", designed the eclectic São Paulo museum in the late 1940s

We speak to the French architect about the search for a national landmark and the hurdles that faced the mammoth project