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

Elaborate patterns adorn the city's disappearing traditional architecture.

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

The most alien-looking place on Earth.

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."

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

Site where Moses may have received the Ten Commandments.

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

Within the Saudi Arabian desert lies a 2,000-year-old ghost town made of stone and mud.

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.

Rusted structures stand like ghosts of Cyprus' 6,000-year-old copper industry.

This medieval wine press is one of the oldest in Cyprus.

Sex curse discovered on ancient tablet in Cyprus.

A crumbling ghost town with prime views of the dam that doomed it.

For nearly 2,000 years this church has been waging war on local snakes by importing cats.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

Spiral alpine structure provides an alternative experience of viewing the Matterhorn.

Along the Rhine, about a mile from the historic Munster, learn the heartrending story of two lovers torn asunder, cast into unknown layers of time and space.

This ossuary is more than five centuries old and is heralded as one of the finest in Switzerland.

Europe's largest dinosaur museum was founded by a passionate autodidact.

A communal oasis on Lake Zurich.