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

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

An abandoned outdoor movie theater in the Sinai desert.

The deadliest diving spot in the world is also a stunning geological marvel.

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

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

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

This ancient structure is widely thought to be the oldest intact pyramid in the world.

One of the most well-preserved temples of ancient Egypt.

An endless sea of white conical domes.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

An ancient city exhumed from the depths of the ocean.

Just outside of Jordan's capital lies an ancient castle and intriguing caves dating back to the Copper Age.

These ruins by the Dead Sea is where John the Baptist met his untimely end.

The remains of three different ancient civilizations have been found at this rich archaeological site.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

A refurbished locomotive from a bygone era in the middle of the Jordanian desert.

One man's labor of love, Amman's oldest home has become a time capsule with its doors permanently open to artists and guests.

A bathhouse from the second Islamic Caliphate decorated with frescoes of constellations, pleasure gardens, and naked ladies.

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

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

The most gigantic, swoony, intimidating trio of fingers in all of antiquity.

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

A little-visited ghost town state park offers a glimpse into Montana’s "Silver Queen."