A small island that was once a key Axis fortification during World War II.

A unique military outpost carved into a rocky outcrop in the English Channel.

On this romantic tidal island reachable only at low tide the tomb of a famous French writer overlooks the sea.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

A quaint medieval harbour where Benjamin Franklin landed in 1776.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

2300-year-old Roman road connecting the empire.

The only museum with its curator—and her pets—buried inside.

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

Two stone columns flank the grand Venice square, but there were supposed to be three.

An amazing collection of wax anatomical models and terratological models.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Europe’s oldest natural human mummy.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

Venice's island of the dead.

This museum is rotten with a century of wax medical deformities.

This 16th-century monastery has been turned into a surrealist architecture compound.

Architectural monsters are devouring this palace's every door and window.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.