A geometric jumble of homes.

Oldest Protestant church in the Middle East, designed to resemble a synagogue.

The only quarter of the Old City not dedicated to a major world religion.

Neighborhood in Jerusalem is home to the ultra-orthodox haredim.

17th century mosque for Shah Abbas' harem.

This 17th-century structure is a beautiful testimony to traditional Persian architecture

Chelsea's soldiers were given strict orders when crossing this historic bridge.

A wonderfully eclectic Victorian aquarium lies in the basement of the Horniman Museum.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Eighty million natural history specimens call this gargantuan museum home.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

The deepest metro station in the world.

340-foot statue built to honour the Heroes of the Soviet Union.

This attraction was abandoned after the Chornobyl disaster.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

An early 20th-century bullring converted into a modern shopping center.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

This spaceship sculpture in the middle of the Slovakian capital looks like it just crash-landed.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

The bizarre rocks of Đavolja Varoš are the result of natural erosion.