Pop culture has helped to keep this iconic British building from being destroyed.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Eighty million natural history specimens call this gargantuan museum home.

A bulky, ancient stupa marks the site of Siddhartha Gautama's seminal Buddhist teaching.

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.

There are millions of temples in India, but only one prominent temple dedicated to the Hindu creator god.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A fairy tale castle in modern Rome.

Gods clash with machines in a power plant regenerated as a museum.

Ancient ruins hidden underneath a modern luxury hotel.

Geometry and mystery come together in an epic show of octagonal masonry.

David Sedaris called it "The greatest shop in the world."