This mill on Lake Erie appears to shrink as a viewer approaches thanks to an optical illusion.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

Hoax, mistake, or evidence of dinosaurs in human times?

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

Spain's stunning solar energy plant.

Subterranean house made out of a grain silo, located in the Santa Cruz Mountains.

Over 50 whirling pools left behind from the glacial age.

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

The world's largest vertical wind tunnel.

One part antique store, one part curiosities hodge-podge.

The tallest residential building in Africa is an unsettling Brutalist monolith.

Russian Orthodox church built on an Antarctic island.

A giant portrait of an ancient king looms over the river.

Macabre museum devoted to historical Viennese murders.

Step inside Lucy, the world's largest "elephant."

A famed drink seasoned with an amputated toe, now on its tenth digit.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

A world-class collection of mechanical musical instruments and automata.

Massive series of 45 caves and over 51,000 sculptures carved from cliffsides in China.

The clock that sets them all.

Art museum based around the collections accumulated over 58 years by one eccentric thrift store owner.

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

An outlandish shoe shaped house built by an eccentric millionaire.