A modernist landscape of water and sci-fi concrete.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

360-degree virtual reality chamber physically immerses scientists into their data.

An enormous, inside-out glass globe built in 1935.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

A beautiful and classically designed villa, with an hourly infestation of monsters.

A 16th-century horror show built in a lovely Italian garden.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

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

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

One of the world's tallest, oldest, and most disgusting chocolate cascades.

Once the most densely populated place in the world, this island is now a ghost town.

Walk through living pictures and music in the Cathedral of Images.

A historic house left in "dramatic still life."

One man's swirling six-acre monument of stone.

France's most famous cemetery, with some of its most curious tombs.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.