A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

2300-year-old Roman road connecting the empire.

The former stronghold of the Malla Dynasty has remained virtually unchanged since the 17th century.

Towering at a height of over 30 meters, this turn-of-the-18th-century landmark is the tallest temple in Nepal.

This historic square in Nepal is home to temples dating back to the third century.

This elegant neoclassical garden is a peaceful oasis in the middle of the Nepalese capital.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

Sacred Buddhist home of some spiritual monkeys.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

Founded as a refugee camp, now a popular tourist spot.

This restored 17th century synagogue is one of the few remaining structures in Morocco’s ruined Jewish quarters.

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

This 16th-century Moroccan fortress-turned-armory museum offers prime views of the historic quarter in Fes.

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

Crumbling necropolis set high above Fez.

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

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.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

A MiG-17 fighter jet sits atop this memorial to the indiscriminate bombardment of Hargeisa.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.