South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Settled in 1696, abandoned after the Revolutionary War.

This set of rickety spaceships are prepared to give alien travelers a place to relax and go to the bathroom.

This South Carolina water tower is an icon of the city of Walterboro, but it also once served as the county jail.

Each step is a mere 4 inches tall, said to be measured by the stride of a woman wearing a hobble skirt.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

A circle of giant painted vases in the former pottery capital of the United States.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

Paths are maintained, but trees have taken over plots.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

A daily replay of the experiment that proved the rotation of the Earth.

World's first "penitentiary," meant to be humane, drove men insane.

This elaborate towering structure was once famed for its revolutionary height.

An Irish Memorial commemorating those who perished due to potato blight.

A rare view of a preserved Victorian science museum.

This giant disembodied horse head seems to balance impossibly on its nose.

Fossilized sea bottom and lime quarry.

Two mermen, eternally spitting into each other's mouths.

The original Uncle Sam was actually a New York meatpacker who is buried under this historic grave.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

The first American home of the isolated, egalitarian religion has a trove of Shaker architecture and artifacts.

Little Red Lighthouse under the George Washington Bridge.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.