The lost library of Alexandria, revived as a spearhead of cultural preservation.

An unexpected treasure trove of military oddities, Turkish interior design, and North Korean art.

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

The oldest tourist graffiti in the world helped archaeologists identify the Pyramid of Djoser.

Modest but unique pyramid built for a pharaoh has been reduced to a “heap of stone.”

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

In 2400 BC, two male hairstylists decided to spend eternity together. But maybe they were just friends?

One of the most well-preserved temples of ancient Egypt.

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

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

A network of ancient Egyptian tombs built into the cliff face along the Nile.

Ozymandias’ time-keeping temple.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Its sunny hues are believed to have inspired the town's color palette.

It would take you approximately an hour and a half to walk to the end of Mexico's largest pier.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

Did Inca children also slide down these smooth rocky slopes above Cusco?

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.