This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

The sole remaining outpost of a once-thriving South Carolina chain still sells “pic-a-nic” baskets.

Paths are maintained, but trees have taken over plots.

A rapidly disappearing authentic bit of the old south.

A quirky Poe-themed joint on an island keen to celebrate its overlooked connection to the famous writer.

According to local lore, this narrow passageway through two large rocks was accidentally created by the devil himself.

This natural spring not only claims to heal the wounded but it has also been willed to God.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

Settled in 1696, abandoned after the Revolutionary War.

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

An unfinished rail tunnel that has since been used to house cheese and bats.

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

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

One of the oldest living oak trees in the Southeast.

Colloquially known as "the lynching memorial," this is the United States' first memorial to the victims of racial terror at home.

The mysterious canine hides atop a drain pipe on the back of the building, some say as a sneaky shoutout to Yale.

Seven people are buried in the middle of what's now a movie theater parking lot.

This huge work of functional public art replaced a landfill in New Jersey's Meadowlands.

A World War II-era submarine is stuck in the mud in New Jersey.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

A farm in New Jersey grew a most unusual crop for AT&T's testing purposes.

World Trade Center memorial likened to a woman's sexual organ.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.