Kraków’s Lenin Steelworks: a rare view of a socialist realist gem

The interior of the plant in Kraków’s utopian socialist new town is preserved in all its 1950s glory, a fascinating window on Soviet-era design

The iron, the melon and the jug: the weirdest Stans buildings – in pictures

From Ashgabat’s falcon-shaped airport to Dushanbe’s giant flagpole, and more than a few Eyes of Sauron, the Stans don’t shy away from eye-popping architecture

Greek gift: Athens’ new cultural centre

This stunning park, garden and culture hub, funded by the Stavros Niarchos Foundation and designed by Renzo Piano, will, controversially, be handed over to the state at the end of 2017

Concrete thinking’s in fashion at Brussels’ brutalist Jam Hotel

Budget hotels always offer basic, boxy rooms, but not many are as creative as this alternative gem in the Belgian capital

Watchtowers, drones and a toxic moat: the designs for Trump’s border wall

Some proposals for Trump’s border wall may look like spoofs, but they provide a fascinating window into the lurid anxieties of middle America

The city Le Corbusier built: inside Chandigarh – in pictures

In 1950, India’s prime minister Jawaharlal Nehru invited the architect Le Corbusier to design a modernist city that broke with the country’s colonial past. Shaun Fynn explored the world heritage site

Fetish for facades: the symmetry of Helsinki’s architecture – in pictures

Helsinki photographer Kristo Vedenoja captures the colourful mix of architectural styles in Finland’s capital on Instagram, one square at a time

The millionaire’s darling: Zaha Hadid’s urban artworks

The late architect was a favourite of wealthy clients in part for her bold visions of futuristic cities, including extensive subterranean development – a collection of which are being displayed at Zaha Hadid: Early Paintings and Drawings at the Serpentine Sackler gallery, London, until Sunday

Calatrava finally arrives in London – but is he rehashing old ideas?

Spanish architect Santiago Calatrava is loved for his striking designs and loathed for cost overruns. Will his £1bn project for Greenwich Peninsula stay on course?