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

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

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

At this deceptively beautiful beach, nothing is what it seems.

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

The record holder for the world’s largest peach.

So many migrating birds roost on the bridge, it has a special summer speed limit.

The Cadillac Ranch for monster truck aficionados.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

Dothan, Alabama has been invaded by scores of anthropomorphic peanuts.

Monument to the cotton-destroying boll weevil.

Towering basalt columns, a creation of fire and ice.

The final resting place of the Seminole Indian chief who fought against government occupation in Florida.

Museum covers every step of the chocolate-making process, from cultivation to the finished product.

A beautiful maze marks where three countries meet.

It's possible to walk inside one of the largest Neolithic tombs in Britain.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

The first archaeological site discovered by aerial photography.

Famously misunderstood wonder of the ancient world

Europe's largest prehistoric mound – burial site of a legendary king?

This massive chalk hill carving is one of England's most beloved giant horse geoglyphs.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

Two small markers remember the Alamo's feline protectors.

The land is home to swimming ponies and a legendary 18th-century treasure.