The remains of this ancient fortress atop a manmade hill look as though they were built into a volcano.

Neighborhood in Jerusalem is home to the ultra-orthodox haredim.

Charnel house at the foot of Mount Sinai.

Hundreds of thousands of ancient documents offer a unique glimpse into Jewish life in Cairo.

In Egypt's expanding metro area, many of the neighbors are dead.

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

A "miracle" that seems to produce more holy fistfights than holy revelations.

A massive, heart-shaped, wind-carved crater in the middle of the Israeli desert.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

An ancient capital city that dates back 3,000 years and harbors many surprises.

The hallucinogenic center of the ancient world.

Where commuters walk through remnants of an ancient Greek necropolis.

Hideout of thieves, monks, and goat-footed gods.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

This legendary city has been a tourist attraction for centuries.

A cave network located at the southernmost tip of mainland Greece was once believed to be an entrance to Hades.

Ancient Greek oracle of the dead.

Mausoleum and Holy Seat of Antiochus I of Commagene.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

A sacred lake with thousands of sacred carp and a biblical history.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

This ancient village is peopled by a religious minority and is still using some of the same materials it was built with thousands of years ago.