A beautiful maze marks where three countries meet.

A glass display case holds the document that ended the Second World War—which one person signed on the wrong line.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

What once sat in the world’s spotlight is today a largely disused ghost complex.

This large, circular tomb is the final resting place of the first emperor of Rome.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

The "Gateway to the Arctic" connects Barrow's indigenous population with the sea and its traditional industry: whaling.

The stickered marker pinpoints where the only maintained road in the United States crosses into the polar region.

The northernmost truck stop in the United States.

This gravelly, dangerous highway is the only road in the United States that leads to the Arctic Ocean.

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

A plaque commemorates the spot in the Oregon woods where the first-ever Geocache was hidden.

According to a satirical conspiracy theory that persists today, this German city of 300,000 is a hoax invented by the CIA.

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

The "Seinfeld" diner.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Priceless space junk on display in front of a local Dairy Queen.

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.