This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

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

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

A sulfuric hellscape in southern Italy.

Venice's island of the dead.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

A submerged archeological park still holds the wonders of a Roman Sodom.

An abandoned quarry hides an open-air gallery of huge sculptures, some made from the rubble of 9/11.

Skulls and skeletons are omnipresent in this church dedicated to souls trapped in purgatory.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

Southern Italy's spinning top village.

The sunlight passing through the opening of this huge cave system creates a magical effect.

A tunnel with windows, so you don't miss out on the impressive views.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

A wooden street sign is the last remnant of this 400-year-old alleyway.

Tiny castle in the middle of the Rhine made you pay to pass.

This curious sculpture represents the perseverance needed to take to the skies.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

The small alleys in Lübeck's Old Town are a result of medieval urban sprawl.

The bells remain in a shattered heap exactly as they fell when the church was bombed in World War II.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.