Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

Named after a lodging site that existed nearby, a bridge has existed at this location since 1455.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

Go deep down into the earth to experience the world of Welsh coal miners.

This huge coastal nature reserve in Wales was a stand-in for the Arabian Peninsula in 'Lawrence of Arabia.'

The castle still holds traces of the abandoned Roman fort it was built atop.

Recently restored menagerie of Victorian-era beasts.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

Stroll through Welsh history in a village of reconstructed structures.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

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

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

An incarceration museum on the spot of possibly the oldest prison in England.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

The medieval woodcut-style artwork chronicles life in medieval London.

This bare tree might not have leaves but it is constantly clothed in festive decorations left by mysterious local benefactors.

Twenty-eight years after this local landmark was washed ashore by hurricane Hugo, it was washed away by hurricane Irma.

One of the oldest living oak trees in the Southeast.

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

Paths are maintained, but trees have taken over plots.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

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

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.