This small bronze pyramid marks the center of Belgrade, but some say it is a Masonic symbol.

Serbia's master of striking memorials erected a forgotten, hidden gem in the hills outside a tiny village.

Through the colossal entrance to this cave you'll find limestone tubs and an underground waterfall.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

A pair of connected skyscrapers form this symbolic gateway.

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

A New York–based physician returned home to Spain to build his own elaborate monument to Christopher Columbus.

A Spanish town built into the cliffs.

The designated Jewish quarter in Fez dates back to the 15th century.

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

The oldest known university in the world is in Fez, Morocco.

Crumbling necropolis set high above Fez.

Traditional 11th-century outdoor tannery.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

The other side is actually green.

A growing popular hipster market with over 100 local specialties and live music.

Jurassic Park in South Africa.

“The oddest pub in South Africa,” inspired by a practical joke.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.

These otherworldly caverns form Earth's oldest known cave system.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.