Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

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

The only quarter of the Old City not dedicated to a major world religion.

The maze-like transportation hub contains abandoned areas, derelict stores, and a resident bat colony.

Squeezing inside this deep, narrow canyon reveals a festival of desert colors.

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.

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

The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.

A striking symbol of the Bulgarian capital.

This massive monument was unveiled the day Kosovo declared independence from Serbia.

A 11-foot former president stands on a Kosovo street that also bears his name.

A futuristic, brutalist masterpiece that is also strangely prison-like.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

The largest fountain in Bratislava.

Too much gossip or just missing curfew could land you in here for a couple of days.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

After 11 years of reconstruction work, Slovakia's finest hilltop chapel complex is finally reopen to the public.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.