The vast, legendary catacombs hold secrets much stranger than stacked bones.

A serene desert oasis speckled with ancient artifacts.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

A gallery of underwater art that can be visited by man and fish alike.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Albert Einstein's head sticks out of a snail shell stacked on a rocket in this truly bizarre monument to the scientist.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

A massive mausoleum towers over the gravestones in a 19th-century Italian "model village."

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

Ancient snack bar of the Roman Empire re-opened.

Italian cave with exceptional acoustics and an unsavory history.

The world's most active stratovolcano is almost always erupting.

This half-finished "city of toys" was almost Italy's own Las Vegas.

Crushed coral and crystals give the sand its signature coloration.

Pilgrimage site for star-crossed lovers.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

Abbey built on the ruins of Roman catacombs.

The bears of Bern have been a city highlight for over 500 years.

Over 3km of caverns and caves at the Switzerland-France border contain the largest underground river in Central Europe.