The walls and streets of the ancient city are peppered with penises.

The curiosities and wonders of pharmacy in a delightful historic building.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

A fortified city, home to a remaining population of five families

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

An abandoned horror film set sits eerily along a highway through Hollywood's "door to the desert."

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

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

This engineering marvel is the longest bridge in Canada and one of the longest spans in the world.

This restored 17th century synagogue is one of the few remaining structures in Morocco’s ruined Jewish quarters.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

Flames have been burning within this mountain for more than 2,500 years.

The best-preserved ancient theater in the world.

Where the famed frontiersman was born, raised, and survived Quaker intrigue

A tunnel with windows, so you don't miss out on the impressive views.

The first plantation museum in the United States to focus on the lives of enslaved people.

It took 160 years to complete the most ornate church in Ecuador.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

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

A mysterious spot where the laws of gravity seem not to apply.