In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

What happens when you cross a mayor and a painter?

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

The cutest shrine in Kyoto is dedicated to bunnies.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

A Victorian school for poverty stricken waifs has been preserved as a museum to their donated education.

Eighty million natural history specimens call this gargantuan museum home.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

A beloved tribute to the Fab Four and the freedoms they inspired.

A huge communist-era propaganda monument and mural that offers stunning views of the Mongolian capital.

Enormous statue of the Emperor of the Mongols.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

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.

This garden has existed for more than three centuries.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

High on a hill, an obelisk stands as tribute to local soldiers from several wars.