Elaborate patterns adorn the city's disappearing traditional architecture.

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.

A city built from mud and known as the "Manhattan of the desert."

The most alien-looking place on Earth.

For centuries, Jeddah’s old town was a major trading port and a point of entry for Hajj pilgrims traveling by sea.

A 900-year-old village located in the highland of the Asir region that features historic architecture.

Climbing the "mountain of frustration" is no easy feat.

Abandoned station along an ancient pilgrimage route.

The rocks around this mountain are filled with so many carvings that the area became known as the "open library."

In the middle of a barren desert, a massive, solitary rocky thumb juts out.

A historic structure that once housed pigeons used by farmers to help fertilize farmland.

This fortress sits atop a centuries-old well system.

A 19th-century fortress and collection of artifacts offer a tour of Saudi history.

An archaeological site believed to be the burial place of the "mother of us all."

Site where Moses may have received the Ten Commandments.

These towering cliffs jut dramatically from the middle of a barren desert.

Village of slate houses, built on a white marble outcrop.

More than 100 monumental tombs carved into rock are preserved at this ancient Nabataean site in the Arabian Desert.

An unfinished tomb carved into a giant boulder in the Arabian Desert.

Take the most scenic fjord landscape in Norway and add dramatic red cliffs, warm clear water, and playful dolphins.

This remote British Imperial telegraph relay outpost drove men insane.

This giant underground cave chamber can only be accessed through a small opening at the top.

Traditional architecture and ancient irrigation systems are on display in this gorgeous mountain village.