Bangkok's men with dangerous jobs come here in search of protective talismans.

Legend says this sacred tree was a gift from goddess Athena.

An ancient octagonal weather station named for the eight Greek gods of wind.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

This chapel is the site of a yearly pilgrimage that originated during the Middle Ages.

The extravagance of Portugal’s "Pink Palace" resulted in a noble title being awarded to its owner.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Breathtaking and huge 430 year old maps of Italy.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This one-time health resort was used by aristocrats around the world.

One of the tallest waterfalls in Africa is also home to a population of monkeys who enjoy the waters and the occasional guest.

Vast stretch of tide-pools with a unique Moroccan charm.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

This column celebrates Rome's victory over the Goths, and may be the oldest Roman monument in Istanbul.

A marvel of Byzantine engineering under the streets of Istanbul.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

A popular European tradition makes its way to the states on one of America's most famous bridges.