This fortified L-shaped tower is the ancient seat of clan Hannay.

There was a top secret plan during World War II to seal a group of soldiers inside the rock.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A replica of the flagpole that gave a frontier town its name.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

A stone pillar marking the location of the westernmost battle of the American Civil War only honors one side of the conflict.

The main gates have been locked since 1745 and will remain so until the Stuart Dynasty returns to the throne.

This isolated airport in the middle of the Everglades sees more alligators than planes.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

Some of the Old West's most notorious outlaws frequented this mining town.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

This small, unassuming street is now a canvas for color and creativity.

A secret door leads to this cozy dive that sells only “milk.”

This curiosity shop contains a museum filled with bizarre, unique objects.

Hidden on a cattle ranch in Arizona, this bookstore has been celebrating Southwest literature for more than 40 years.

One of the largest open-pit copper mining operations in the entire country.

One of Edinburgh's oldest pubs hides a 19th-century skittles alley in the back.

This ancient trail has claimed the lives of over 2,000 people.

The remote resting place of a notorious Wild West outlaw whose death is shrouded in mystery.

A natural history wunderkammer in the middle of the desert.

A museum and tribute to a brave profession.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.