Gallerist Leila Heller talks about showing Andy Warhol and Jean-Michel Basquiat in the 1980s, after meeting them in New York clubs, promoting artists from the Middle East, her current show curated by Warhol’s muse – and why she has just moved her gallery back to where it all began.

Perhaps this is an idea that looked good on paper, but with its dark slate roof and unstable-looking structure, Junya Ishigami’s pavilion is oppressive and unwelcoming.

The Andermatt Concert Hall is a world-class auditorium, the first in the Swiss Alps, designed by architect Christina Seilern to help transform this former army town into a new destination for culture, as well as sport and tourism.

This remarkable show traces Giacometti’s artistic career, displaying his works alongside those of some of his contemporaries and making clear his belief that drawing was the basis of everything.

Iranian artist Maryam Najd talks about her exhibition at the Arthur M Sackler Museum of Art and Archaeology in Beijing and why she chose to embark on a project researching the national flowers of the world.

A major Alexander Calder exhibition at Centro Botín in Santander reveals about 80 of the great American artist’s unrealised projects. Hans Ulrich Obrist, curator of the show, discusses these little-known collaborative works, which highlight Calder’s interest in the world around him.

In a joint venture with the Belgian city of Genk, the artist Koen Vanmechelen has built a €22m ecological park that presents art as an instigator of community development.

This is a valuable guide to the history of the reception of modern and contemporary Iranian art in the west, offering a broad outlook on cultural interactions between Iran and major American cultural institutions in the past three decades.

Through the use of old train seats and other salvaged materials, the Ghanaian artist tells a story of his country, rich with the legacy of colonialism, independence and lost opportunities.

The New York-based painter talks about the artists he steals from, integrating his lived experience into art – and being the first artist asked to design a float for the Notting Hill Carnival.