Ancient paintings known as the "Sistine Chapel of Cave Art."

A psychedelic labyrinth on the San Francisco bay.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A layered tribute to the work of mosaicist Isaiah Zagar.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A hobby born from insomnia has turned into a hangar full of objects that have been be-buttoned by the Button King.

Japanese island famous for poison gas and fluffy bunnies.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

A magical place that lets you play in and explore the world of Studio Ghibli.

Named after a legendary garden called Eram in southern Arabia, built by order of Shaddad, an Arab king who wanted to compete with Paradise.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

A huge cathedral single-handedly constructed by one eccentric monk.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

This semi-secret storybook hedge maze is also the oldest garden in the city.

Founded in 670, this ancient mosque is an architectural time portal.

An ever-growing literary collection housed in the apartment where the Russian author penned his final novel.

World's largest permanent maze made of 18,000 conifers.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

This historic black and white monastery is one of Bulgaria's architectural jewels.

Roman ruins top white travertine terraces formed by ancient hot springs.