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

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Real bones which are said to have belonged to a Polish dragon.

This grubby wall is said to be one of the Earth's esoteric energy centers.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

Miraculous tree that seems to sprout out of solid rock.

Buy a token from the liquor store and you can make this beast spew flames on command.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

Come for the speed, leave in love with the desert.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

The pockmarks across the building's facade are remnants of the Blitz.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Hear the quietest sound from across the dome.

The London statue that imitates passersby.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

Its collection includes a broad array of social, geographic, graphic design, and political history.

The television series' iconic giant foot was borrowed from this classical painting.

A mysterious shape catches the eye in this 16th-century painting.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

Anyone can control this glittery light installation with just a phone call.

Historical trolley restoration and operation at History San Jose, Kelly Park.

It took years to decode its mysterious messages.

It is locally loved and ridiculed for literally looking like poop.

The world's largest piece of copyrighted artwork.