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

Ancient serpentine sacrifice holder that has stood the test of time.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.

5,000 skulls in memorial to those killed by the Khmer Rouge.

Khmer Rouge's high security prison.

A battle between nature and architecture in the Cambodian jungle.

A quick and simple solution to Cambodia's train woes.

One of the largest Roman settlements in Portugal.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

Idol made by King Jeroboam for the Israelites.

These numerous Israeli caves were dug out over hundreds years for reasons ranging from hideouts to burial sites.

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

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

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

An ancient quarry rediscovered by a dog and claimed by biblical kings, a German cult, and the Freemasons.

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

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

An ancient tunnel in Jerusalem built to redirect water in the event of a siege is one of history’s great architectural innovations.