The ruins of an ancient stadium that hosted gripping chariot and horse races.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

A curious memento mori hangs in the magnificent Cathedral of Segovia.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

Ozymandias’ time-keeping temple.

The largest known Ancient Egyptian obelisk.

One of its engravings is believed to be among the first representations of medical and surgical instruments.

The museum within the Kom-Ombo Temple complex houses mummified crocodiles and mummified crocodile eggs.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

The ancient village known as Set Maat, or the 'Place of Truth,' located on this site served as a hub for intellectual and artistic endeavors.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

Traditional 11th-century outdoor tannery.

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

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

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

This small hill features the most notable collection of petroglyphs in Saguaro National Park.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

This church on a Tohono O'Odham reservation has stood since 1797.

Browse an impressive collection of passenger and military aircraft dating back to World War II.

This rural museum is home to more than 50 local desert reptiles and the world's largest snake bite kit collection.

Legend says train robbers stashed their gold within the depths of this unusual cave.

Hike the unusual hoodoos and rock formations that form this little-known natural wonder.