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

This Roman amphitheater is said to be King Arthur's legendary Round Table.

A memorial to the British politician who spearheaded the National Health Service.

The enormous earthwork sculpture honors the ponies that lived and worked in the old colliery.

Detailed sandstone carvings show an array of symbolism and adorable animals.

Beasts and branches swirl in sandstone carvings, interrupted by one strange creature.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Several land speed world records were shattered at this Welsh beach.

The only medieval bridge in Britain with its defensive tower still in tact.

The largest of only eight working transporter bridges left in the world.

Longest fortress system anywhere in Europe.

An ancient knight and a symbol of the city's freedom.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

Nature's biggest mammal swims in landlocked Oklahoma.

A motel dedicated to Southwestern nostalgia.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

A miniature village mimics the surrounding buildings so well it includes itself.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.