Hundreds of thousands of ancient documents offer a unique glimpse into Jewish life in Cairo.

The forgotten mummies of Dakhla oasis.

Ancient Egyptian relief, claimed to depict an electrical light.

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

A preserved oasis with traditional Andalusian-style architecture and beautiful views of the Nile.

Egyptian treasure trove of fossils documenting the whale's transition from land mammal to sea creature.

The once great capital of Egypt now crumbles forward as evocative ruins.

In Egypt's expanding metro area, many of the neighbors are dead.

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

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

An abandoned outdoor movie theater in the Sinai desert.

A massive work of modern art that appears to be a crop circle in the middle of the desert.

An alien landscape of chalk-rock in the Egyptian desert.

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

An endless sea of white conical domes.

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

Ozymandias’ time-keeping temple.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

An ancient city exhumed from the depths of the ocean.

Natural time capsule containing an alien ecosystem.

In the northernmost city in the world, it's illegal to be buried because it’s too cold for bodies to decompose.

Cold storage for agricultural biodiversity.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.