Jetavanaramaya, a colossal fourth-century Sri Lankan stupa, was once among the world’s largest structures — a vast and ancient brick-built engineering marvel born out of religious rivalry that has ...

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Humans have long been obsessed with building big, and as the world strives to combat climate change, megastructures may hold the key to a more sustainable future.

CONSTRUCTION has started on the UK’s tallest skyscraper in a £360million project that has a surprising connection to Hollywood royalty. The 246m tower will have 76 floors containing 452 ...

This is not some DVD floating in space. It's a megastructure that might one day become humanity's home. The Earth might not remain habitable forever. It could get engulfed by a massive solar flare, or ...

Step inside the world’s largest building, where an entire city has been constructed under one roof. Featuring shopping malls, hotels, offices, beaches, and more, this indoor megastructure is a city ...

Istanbul (CNN) — Whether you’re a believer or not, visiting Hagia Sophia is a spiritual experience. The architectural genius of this place of worship — which was built as a church in 537CE before its ...