Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

An incredible mosaic-lined monument said to have held the remains of an ancient Roman empress.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

Psychoanalyst Carl Jung reported a paranormal experience after visiting this mosaic-lined Roman baptistry.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This Underground station has been a popular filming location for decades, even before it closed.

This strange moor has a song written about it, Bronze Age carvings, and an alien sighting.

Rare collection of medieval books under lock and key.

The largest known medieval map of the world.

England's largest white horse isn't even white.

The remains of the concrete ship can be seen during low tide.

Astonishing rock formations dot the Brimham Moor landscape.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

Where Agatha Christie mysteriously disappeared in 1926.

The last fully working Victorian Turkish bath in England.

A 600-year-old mini shrine guarded by a sword-wielding knight hides in a crumbling cliff face.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

The largest model carrot in the world.

Mounds of fine golden sand that can rise nearly 500 feet tall.

This incredible narrow-gauge mountain railway was created by a ceramic artist.

The "Rocky Horror Picture Show" character has a hidden camera that broadcasts people doing the "Time Warp."

Inside this faux cave, visitors can learn how some of their favorite fantasy characters were created.

New Zealand's west coast is one of the best places in the world to view these large seabirds.

One of New Zealand’s few castles boasts beautiful gardens, grand architecture, and a history filled with family drama.