This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

From Japan to Italy, this California park explores the world's cultures through their gardens.

A nursery specializing in strange and beautiful succulents and cacti.

The mysterious round rocks of Schooner Gulch.

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

Europe's second largest ossuary wasn't discovered until 2001.

The world’s first hotel to be run by robots.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

This magnificent Cincinnati graveyard is also a popular public park.

The remains of diamond fever taken over by the desert.

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

The haunting ruins of Jack London's dream house.

Fossils, railroads, and waterfalls!

This massive subterranean fissure is known as the "underground Grand Canyon."

This sublime architectural marvel is a rare example of an expressionist church.

Avoid gangster interaction while window-shopping.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

Traveling collection of amazing automata.

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

A surreal landscape where fanged rocks rise from the ground and the ocean feels like a great mystery.