It's easy to see why this eclectic architectural wonder has been dubbed the "Spaceship House."

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

A time-capsule monument reminding future generations of the importance of efficient and effective use of natural resources.

A pair of giant legs paying homage to a poem, a king, and it would seem, socks.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

The Grand Canyon of Texas.

A wacky, UFO-shaped house in a suburban neighborhood.

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

The largest outdoor art gallery in the Northwest United States.

Free public park and gardens filled with peacocks and peahens.

Puerto Rico's oldest rum producer started its 140-year-old business with "a little barrel."

A magnificent waterfall nestled in the heart of the El Yunque National Forest.

This tiny home was originally a narrow alleyway.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

Controversially claiming the title of world's biggest bass drum, UT's Big Bertha was once made radioactive by the Manhattan Project.

A fruit-loving town welcomes visitors with a giant melon set against the sky.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.