In the middle of a barren desert, a massive, solitary rocky thumb juts out.

Where beer lovers can literally immerse themselves in beer.

Liechtenstein's royal family calls this medieval alpine castle home.

A charming beach town in Turkey captures all the colors of the rainbow.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

Seven early Christians were sealed into a cave where legend has it they slept unharmed for centuries.

The ancient latrines of the Greeks, in all their public glory.

This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

This striking sculpture of Icarus honors Greece's fallen flyers.

Legend says it was constructed with the destroyed pillar of an ancient Greek Temple.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

Roman ruins top white travertine terraces formed by ancient hot springs.

A deadly ancient portal to the underworld.

These ruins once flourished as the capital of the Lydian kingdom, often credited with the invention of metal coinage.

An underground network of massive stone arches and their skylit vaults support ruins of portico structures above.

A faithful reproduction of Al-Jazari's enormous water clock.

Its collection commemorates the author of the iconic children's book "Heidi."

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

Qatar's oldest market can trace its origins back more than a century.

This fort dates back to 1588 and was colonized by the Portuguese, Dutch, and English and sits prominently on the Indian Ocean where azure water lap the coast.

This old KLM airplane cut into three parts was transformed into an eclectic airport gift shop.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.