A 60-room castle constructed by a horse-racing heir.

Tropical paradise strewn with hundreds of World War II wrecks.

Concrete strongholds stand guard over the Golden Gate.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

The commemorative stone column conceals a secret laboratory.

A massive volcanic plug is now a protected area that hosts a number of bird species.

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

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

Machismo turned on its head: the lady's hand goes to the dude with the bigger brain.

This sky-high radio mast is formerly the tallest man-made structure in the world.

This replica of an 8th century burial ship actually sailed to Norway before returning home to Minnesota.

"...I guess that was your accomplice in the wood chipper?"

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

Two stone columns flank the grand Venice square, but there were supposed to be three.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

A classic roadside attraction on Vermont's historic Route 5.

This NASA test station is home to some of the world’s largest and most powerful space environment simulation facilities.

A lone tower rises above the cliffs in a city park, offering fantastic views of the Connecticut landscape.

An open-air museum in a mountain valley features works designed to blend in with—and disintegrate back into—their natural surroundings.

This small-town pizzeria won the Hollywood lottery.

A 131-year-old wunderkammer of Texas history.

Rochester's signature culinary delicacy.

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.