Brightly painted boulders scattered throughout the Sinai Desert.

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

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

Even King Tut was intrigued by the glass of the Great Sand Sea.

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

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

The massive cave church of Cairo's Zabbaleen community is one of the largest Christian churches in the Middle East.

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

An endless sea of white conical domes.

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

Ozymandias’ time-keeping temple.

An ancient city exhumed from the depths of the ocean.

Mount Nyiragongo has erupted at least 34 times since 1882 and is home to the world's largest lava lake.

Rolling sand dunes of the Sahara... in the middle of the Atlantic Ocean.

Once a bustling fishing village and trading post, today these Cape Verde ruins provide a home only for seabirds and turtles.

Deadliest lake in the world suffocated over 1,746 people in one night.

These mysterious 1,000-year-old walls have revealed little about their past.

In this African village, the walls of the chief's compound are painted with beautiful traditional designs.

This trio of bronze giants celebrate the influential trip to Britain that led to Botswana's independence.

The historic cave is both a symbol of superstition and black magic and inspired one of the early Christian converts in Botswana.

Spanning over 10,000 square miles, this ancient salt pan is one of the largest on the planet.

There is only one place in the world where the corners of four nations come together.

Wondrous stalactites house thousands of bats in these African caves.

Dozens of snakes are housed and worshipped within the walls of this Vodun temple.