These unusual rooms on wheels are holdovers from the 1960s.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

The only rotating bar in New Orleans has been slowly spinning since 1949.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Turns out you can see the world without ever leaving Maine.

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.

Why walk on this historical site when you can zoom down instead?

South Korea's largely symbolic, barely used gateway to the North.

The site of many tense prisoner exchanges across the Military Demarcation Line between North and South Korea.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

One of 100 “Whaling Wall" murals painted in 13 different countries by a renowned marine life artist.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

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

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

The massive machine creates cracking displays of indoor lightning.

Experience a charming 1930's version of "infotainment."

A giant open-air sculpture made of over 200 full-sized boats.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

Illegal drag racing two stories beneath Chicago’s streets.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.