A sculpture serving as an homage to Pope John Paul II.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

A collection of objects supposedly singed by the hands of souls in purgatory.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

The final resting place of the poets Shelley and Keats.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

A six-ton wedding present for the King of the Scots.

The most loyal of little dogs, or a Victorian era publicity stunt?

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

Banksy's image of a naked man dangling from the window of a sex health clinic.

The Bristol Camera Obscura housed in an ancient windmill.

The tower was originally used as a chimney for the waste incinerator of St. John's Precinct and Market.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

This striking observation tower shaped like a spinnaker sail is the newest icon in historic Portsmouth.

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.

A wonderfully eccentric Victorian-era museum and library.

This skewed English house has looked like it's going to fall over for centuries.

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