A stunning garden filled with fantastical environmental folk art and sculptures.

Famously misunderstood wonder of the ancient world

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

An architectural oddity hides in plain sight on this iconic London bridge.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Rebuilt remains of a temple to Roman god Mithras.

An unusual round church in London with a Templar past.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Breathtaking and huge 430 year old maps of Italy.

Pompeii's less famous neighbor is still revealing her secrets.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Ancient snack bar of the Roman Empire re-opened.

Erotic art covers the walls of the largest ancient pleasure palace.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

2300-year-old Roman road connecting the empire.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The birthplace of Appalachia's only first lady, who some have dubbed the United States' "first female president."

The last remaining attraction from Paragon Park.

This small shop walked so America could run on Dunkin'.

The world's largest piece of copyrighted artwork.

Ice cream stand, snack bar, and time capsule of milk conveyance.

Dim sum, served in a grand old theater.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.