One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

This peculiar Italian elevator runs both horizontally and vertically.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

A sunken idol welcomes parishioners to Davy Jones' Locker.

The bomb-ravaged remains of of a colossal Neptune.

This amazing medieval fortress stands atop a promontory along the famous Cinque Terre.

Five candy-colored villages on the Italian Riviera.

Perched above a grotto, this tribute to Mother Nature looks out into the ocean.

Cave shrine on Monte Pellegrino.

This skeletal, unfinished Gothic church once housed a miraculous masterpiece by Raphael.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

Gorgeous views of Italian mountains and valleys form the backdrop of this unique open-air theater.

This entire town moved to a safe location after it was devastated by an earthquake, but the remains of the original town are still around.

One of England's most famous churches hides a pair of little known architectural treasures.

A sturdy relic of Britain's once crucial gunpowder industry is now a haunting Cornish ruin.

A wonderfully eccentric Victorian-era museum and library.

This former quarry is now a vibrant labyrinth of magical in situ sculptures.

A midnight snack that lights up the night.

This ruined 15th-century hermitage is steeped in myth and mystery.

The abandoned fishing village was swept right into the sea.

Legend says these rocks used to be hunting dogs, a story that may have inspired Sherlock Holmes' most famous case.

This tangled English forest looks like something right out of a fairytale.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.