Medieval town turned hippie commune, once home to the secret foreskin of Jesus Christ.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

Giant, pink stuffed rabbit on an Italian mountain.

An Italian hillside ghost town.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

Natural cathedral designed by Italian artist Giuliano Mauri.

The glowing blue Nymphaeum of Emperor Tiberius.

Ruins of a 10th century church tucked away deep in a botanical garden.

Abandoned medieval hill town.

Geothermal waterfalls in Tuscany.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Stalactites and stalagmites in a beautifully lit cave.

A 16th-century horror show built in a lovely Italian garden.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

This symbol of Polish heritage survived the occupation during World War II, hidden in plain sight.

Come to this Polish museum to take a good, clean look at filth.

Old cabin-like homes in a rural community untouched by time are known for their vibrant and colorful window shutters.

In the midst of a living monument to Soviet social engineering, Polish Catholics built this church by hand.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

A haunting deserted hotel is a favorite with artists and photographers.

This Communist-era residential block is one of the longest residential building in Europe.

This unique railroad museum secretly contains the history of Poland rebuilding itself from the inside-out.

Relive a Polish uprising via an enormous, century-old cyclorama.