In pastoral England, a plaque marks where an imaginary community addressed the problem of combat mortality.

A sculpture for the sun and stars, created by Nancy Holt.

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

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

A fictional town that was briefly brought to life before fading once again out of existence.

The world's smallest drawbridge.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.

Modeled after the labyrinth in Chartres Cathedral, this small-town Indiana memorial labyrinth sits half a world away.

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.

The world's largest wooden structure.

A massive maritime collision may have led to the myth of a resort island's strange financial status.

Not a single witness can attest to the creation of the world's largest geoglyph.

Houses are tucked between, on, and underneath giant boulders.

An entire town in Haiti memorializes one man and his historic revolution.

Tropical paradise strewn with hundreds of World War II wrecks.

An Australian lake whose pink hue defies scientific explanation.

A plaque at the lighthouse where Frederick Valentich made his last radio contact before he vanished without a trace.

A swing to dangle you off the very edge.

The chefs at El Diablo use heat generated by an active volcano to cook the food.

This ruined folly was originally built to honor a failed American state that would have become "Westsylvania."

An isolated dive site teeming with cnidarians.

A spectacular cave and a beguiling lake.

A 30-acre garden inspired by the principles of modern physics.

One of the first historical sites of an alternative universe was installed in the town of Paris, Illinois—which is now home to an annual spelling bee of Kcymaerxthaereal words.