This giant volcanic crater holds its very own field of salt.

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

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

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.

Site where Moses may have received the Ten Commandments.

If you dare visit this fort, fire-breathing hyenas might devour your camels.

The biggest cave system in the Arabian Peninsula is home to a rare variety of blind fish.

The ruins in this village were caused by something more sinister than neglect.

An abandoned mountain village in Habib surrounded by walnut, apricot, and pomegranate trees.

This mysterious anthropomorphic statuette is on display at the National Museum of Oman.

The best-preserved beehive tombs in Oman with spectacular backdrop.

A section of the desert with an array of unusual sandstone and limestone formations.

Where artisans use centuries-old techniques to build traditional Arabian ships.

A powerful cyclone once made one of the world's largest sinkholes completely fill with water.

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.

This beautifully restored fortification kept the city safe for centuries.

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

Some claim these desert ruins are from the legendary "Atlantis of the Sands."

These gnarly desert trees produce the prized aromatic resin traded along the ancient incense trail.

This spectacular mosque houses the second-largest chandelier in the world.

This lonely tomb is all that remains of a once-bustling ancient trade hub visited by Marco Polo.