A cenote sitting in the middle of a parking lot shows the Yucatán Peninsula at its most urbanized.

Iconic red and white plaques show the creative names invented to navigate the city streets.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The site of the climactic scene from the classic horror film is now a historic landmark.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

The oldest continuously operating fish market in the United States.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

Now a living classroom, this house was once the home of Reverend James Clinton Dent, a formerly enslaved man and a pastor.

There’s a hidden military meme engraved on the World War II Memorial.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

Though the case is scorched and the buttons half-melted, this hardy handheld gaming device can still run a game of Tetris.

Lie in a hammock where George Washington stood.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Elevated freight railway turned wildly successful urban park.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

An iconic location along the Los Angeles River where countless movie scenes are filmed.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

Allegedly haunted by Walt Disney himself, this inconspicuous lamp is always kept lit in his honor.

The lead horse on a Disneyland merry-go-round that is older than the park itself.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.