The tallest minaret in Yemen is 150 feet high and entirely made of mud.

One of the most remote and isolated villages on the Arabian Peninsula.

A mesmerizing reservoir nestled at the heart of a pre-Islamic Yemeni village.

Yemen's "Stone Palace" looks like it was carved right out of the tall stone column on which it is built.

Wander among hulking piles of rusted machinery left over from the Eritrean-Ethiopian War.

Scrap material from around Eritrea finds a new life at this outdoor market, where upcycling is a lifestyle.

Eritrea's futuristic gas station is a nod to Italy's fascist history.

These Nubian pyramids are strange and unique, even by pyramid standards.

Crumbling pyramids and temple ruins stand within the shadow of this sacred butte.

The best-preserved example of a unique structure in Nubian architecture.

Ozymandias’ time-keeping temple.

This 7th-century monastery was sacked by Saladin.

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

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

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

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

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

Ancient Egyptian relief, claimed to depict an electrical light.

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

The forgotten mummies of Dakhla oasis.

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

This Corsican Neolithic site is full of pre-Roman megalithic structures that may or may not be penises.

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

These natural wonders have taken millennia to form into the stunning marvels they are today.