The best-preserved beehive tombs in Oman with spectacular backdrop.

This 19th-century island fort built to protect against an invasion by sea.

This supermarket offers shoppers a window into the past alongside their groceries.

This remote Montana battlefield is the site of the Nez Perce Flight of 1877.

Glasgow's memorial to the International Brigade volunteers from Great Britain who fought and died in the Spanish Civil War.

The largest lake in the Faroe Islands seems to be held hundreds of feet above sea level thanks to an optical illusion.

A historic observatory precariously perched at the "Top of Europe."

Located more than 600 feet beneath the North Atlantic seabed, this tunnel boasts the world's first undersea roundabout.

This ruined fort and statue are a testament to the last king of Kaua‘i’s savvy diplomacy skills, which briefly brought Russians to Hawai‘i.

This large neolithic tomb, also known as Greengraves, is hidden off a Northern Irish road.

Eat like pre-Columbian Native Americans in this New Mexico restaurant within the Indian Pueblo Cultural Center.

The only Native American comic shop in the world.

A creek tumbles over a series of step-like rocks to create this scenic water feature.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

This large, circular tomb is the final resting place of the first emperor of Rome.

Experience this Iron Age village the way that its original residents would have.

The "Bridge Over the Atlantic" lets you cross the waterway in mere seconds.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

This castle resides in a valley known for immense bloodshed during the Middle Ages.

This castle played host to the largest great hall found in medieval Central Europe.

This might just be the TARDIS of bookstores.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

This rare surviving broch is one of Scotland's most impressive Bronze Age structures.

The oldest surviving presidential residence in the United States.