The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A singular collection of hand-built art deco cars are held in a building with style to match.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

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

A giant chess set, minus the psychedelic drug trip.

A giant can of fruit cocktail is all that remains of what was once the world's largest cannery.

On the Oregon coast is a natural hole that seems to be draining the sea.

This impressive Boston holy house is the American mecca for Christian scientists.

A strangely angled West Village home is the only monument to an explosion that took the lives of three American revolutionaries.

This giant head is all that remains of a once proud statue that survived an earthquake but not a fall off of a wagon.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.

The yawning remains of a complex naval fortress still haunt this Australian shore.

Possibly the world's largest coin stands just outside of a Canadian science center.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

A floating McDonald's built for Expo '86 is now a derelict relic on Burrard Inlet.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

Shoot for par over the bodies of the dead on this cemetery-cum-golf course.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

This Hawaiian cattle ranch acts as a museum devoted to the island cowboys that predate the wild west.

This historic-shipwreck-cum-diving-spot can still be seen poking its boiler out of the Lake Michigan waters that claimed it.

This small, but long-running hobby club has built one of the largest model rail lines in the US.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.