One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."

Featured in one of the most iconic scenes in cinema history.

In the land of the Light Brigade stands a testament to the Cold War.

Famously misunderstood wonder of the ancient world

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

This indoor ski resort has a mountain contained inside a mall.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

This Stone Age solar temple aligns with the sun on each equinox and solstice.

This subterranean necropolis holds three floors of antler-dug grave caves.

Come in, light some incense, and ignore the live snakes around you.

This elegant neoclassical garden is a peaceful oasis in the middle of the Nepalese capital.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

The larger of two volcanic peaks rising out of the crystalline waters of the Caribbean.

An extraordinary natural landscape of mountains, waterfalls, and rocky cliffs riddled with tunnels.

A waterfall runs right through the middle of this Taiwanese shrine to the hundreds of workers killed while building a nearby highway.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Pilgrimage site for star-crossed lovers.

The glowing blue Nymphaeum of Emperor Tiberius.