A Surreal flight of architectural fancy in Vietnam's Central Highlands.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

An explosion of natural color known as "the river that ran away from paradise."

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A magnificent, glittering building tucked into a tiny Bulgarian mountain town.

A gorgeous gilded tower houses what may be the world's largest collection of gin.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

A whimsical art tower at a Bavarian brewery includes a grotto for its mythical beer-brewing dwarves.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

Modest by day, illuminated majestically at sunset.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

An alien landscape of chalk-rock in the Egyptian desert.

A deeply beautiful 15th-century stepwell with a tragic story.

The world's second-largest sundial, made entirely out of stone.

Climb to the top of the world's largest seated bronze Buddha.

Hidden in the shadow of a rocky fortress is one concubine’s long-forgotten legacy.

A former bastion of Rajput chivalry, this massive hill fort is the site of legend and tragedy.

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.