This one has sailed five times as far as Sir Francis Drake's famous ship.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

This awesome Spanish castle is so fantastical it was actually used on Game of Thrones.

These magnificently sculpted tombs represent Spain's own legendary version of "Romeo and Juliet."

Legends surround this natural rock formation that looks like a Moorish king wearing a crown.

Originally planted by the ancient Carthaginians, this sprawling palm grove is one of the largest in the world.

This human-made cave is one of the many snow storage chambers that supported the ice supply industry in the Sierra Mariola area.

For many years, the origin of these enigmatic artificial caves was the subject of debate among historians.

This portrait of Philip V is always hung upside down, in a protest three centuries in the making.

Southern Italy's spinning top village.

Macabre symbols of death and mummies on display set the tone of this Italian purgatory church.

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

A dead saint, a deadly poison, and a mysterious holy ooze.

This is the oldest Roman-made bridge in the city still existing in its original state.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Breathtaking and huge 430 year old maps of Italy.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

A naturally beautiful, seemingly bottomless deep blue spring.

A scenic UNESCO site that doubles as a habitat for various forms of wildlife.