This extraordinary geological oddity resembles human-made pavement.

Some cheeky plantings brighten an old slipway on Scotland's Firth of Forth.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Famously misunderstood wonder of the ancient world

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

A pair of connected skyscrapers form this symbolic gateway.

A Serbian church lit by chandeliers made of weapons.

A relic from the Industrial Revolution got a second life as a contemporary performing arts space.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

This scale model of our solar system hid in plain sight for years before a physics team sought out all the planets.

Where the lovelorn find a home for their sentimental keepsakes.

A misnamed well, with a deep dark past.

Inat Kuća, or "House of Spite," is more than just an oddly named restaurant.

The place where World War I began.

This surreal memorial/cemetery is a necropolis of crumbling stonework and puzzle-shaped headstones.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

A bridge destroyed three times: once as a ruse, then in an actual attack, and finally for the movies.

Oriental bazaar in the heart of Sarajevo.

The sad remains of a monument to martial arts legend and movie star Bruce Lee—in the middle of Balkans.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

Eighty million natural history specimens call this gargantuan museum home.

One part local history, 99 parts gruesome haunted house.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

What happens when you cross a mayor and a painter?