Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

The construction of a new church near Venosa was started in the 11th century, but never finished.

Crossing this suspension bridge feels like walking through the sky, a fitting tribute to the head of the Apollo program.

A sculpture serving as an homage to Pope John Paul II.

Jesus' footprints and the first catacombs in the world.

A medieval fountain lined with 99 unique stone faces whose origins and meaning remain unknown.

The Bourbon royal family had this unique octagonal hunting "cottage" built on a tiny islet in Lake Fusaro.

A tree that defies gravity grows in an ancient ruin.

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

The glowing blue Nymphaeum of Emperor Tiberius.

The Emperor Tiberius' palace of debauchery.

Southern Italy's spinning top village.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

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

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

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