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The world's longest residential buildings: Exploring The Line & record-breaking mega structures

Discover the world's longest residential buildings, from historical marvels like Corviale House and Karl-Marx-Hof to the ...

Huge £6.8tn mega-city spanning 125 miles of desert faces massive issue

The Line, a 125-mile mirrored city spanning the Saudi Arabian desert, faces an uncertain future as the kingdom's government ...

The £22bn mega city with one of the world's tallest buildings - but no one has heard of it

The ambitious project will expand an existing city to accommodate millions more residents and feature one of the world's tallest skyscrapers.