This medieval castle is filled with an eccentric collection that ranges from ancient Egyptian artifacts to taxidermy to a mummified hand that was cut off during a duel.

These winged Maya figures are the subject of speculation and conspiracies.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

Backwards hour and minute hands and a timing mechanism that fluctuates with the temperature led to this clock tower's local nickname.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

These temples are among the oldest free-standing stone buildings in the world.

This 50-foot-deep sinkhole created in the 14th century is home to rare plants and fungi.

This Stone Age solar temple aligns with the sun on each equinox and solstice.

Ancient mysterious ruts carved in the bedrock.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

The remains of a 1st-century aristocratic Roman town house featuring beautiful well-preserved mosaics.

The Jesus tree of Malta bears a striking resemblance to Christ on the cross.

This unique building in the main square stands out among the city's typically Baroque architecture.

Enigmatic tombs and cave dwellings on the outskirts of a rural village.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

The floor of this spectacular Baroque sanctuary is covered in memento mori.

The largest terracotta fountain in the world, built to commemorate Britain’s Victorian achievements.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

This church houses the tomb—but not the remains—of St. Nicholas, the likely progenitor to Santa Claus.

This figure of a local merchant is said to reanimate and do a dance during Hogmanay.

Semaphore saints, a golden dragon's head, and a stone carved with religious warnings all call this cathedral home.

It's said that at this location, a Scottish poet met the Queen of the Fairies.

A remarkable feat of Victorian engineering across the Firth of Forth.