When in Idaho, sleep in a giant potato.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

A pyramidal marker where the borders of Venezuela, Brazil, and Guyana meet on top of Mount Roraima.

Once the world's biggest telescope, it was later used as a coat hanger by a famous Dutch astronomer.

It's believed King John of England stayed at this 13th-century castle before riding off to sign the Magna Carta.

This Norwegian satellite station provides ground services to more satellites than any other facility in the world.

A New Zealand rubbish dump named after British comedian John Cleese.

These cinderblock farmhouses were actually World War II radar stations in disguise.

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

The first North American landing spot for James Cook on his third voyage of discovery in the Pacific.

Cannon designed to fire an atomic warhead.