Elvis's own personal tropical hideaway.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A toxic ghost town sitting atop a massive coal fire.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

Surrounded by traditional homes, this Tolkien-esque dwelling stands out on a quiet street in suburban Maryland.

FDR's Art Deco hospital tower was hopelessly inefficient.

A 131-year-old wunderkammer of Texas history.

This church on a Tohono O'Odham reservation has stood since 1797.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

The oldest continuously occupied public building in the United States.

"I did this all while you were watching TV."

This is one really big nut.

Home of the International Space Hall of Fame.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

The state bird of New Mexico, constructed entirely out of garbage.

This old abandoned sign flickers to announce a motel that isn't even there.

Mysterious glowing orbs float through the desert night.

A Prada store in the West Texas desert that is never open for business.

The house's confection-like decorations are the result of one man's painstaking work over decades.

A prison-like structure guards the remains of a notorious Old West outlaw.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

The "lovely red Vega" of the legendary record-settling pilot.