An ancient stone fortress considered by many to be the eighth wonder of the world.

This ancient cave temple complex is the largest and best-preserved temple complex in Sri Lanka.

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 elaborate temple was built around one of the Buddha's teeth.

Once thought to be the Garden of Eden it holds a holy footprint claimed to belong to Adam, Buddha and Shiva.

This historic square in Nepal is home to temples dating back to the third century.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

Perched above the bustling town of Kerak is a sprawling, ruinous castle that has witnessed nearly a millennia of Levantine history.

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

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

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

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

This open-air reconstruction of an Old West town, a cross between a theme park and a museum, provides an immersive historical experience.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

Above Breckenridge, a destructive mining technique sits sunken in a small pond.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

The sign marks one of the endpoints to mainland Britain's longest overland travel route.

A lush oasis full of vibrant plants and striking geometric displays.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.