A vast collection of rare, historical, and vintage supercomputers.

Also known as “Robin Hood’s tree,” it became a famed location along Hadrian's Wall before it was cut down.

This temple was constructed entirely by Roman soldiers.

The remains of a Dominican friary, once one of the largest of its kind in the United Kingdom.

This 13th century castle is chock full of ghosts and impossibly rare cows.

This enchanting Victorian estate was home to the world's first hydroelectric power generator.

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.

This restaurant was removed from the famed sister ship of the Titanic and placed within a hotel.

A man's home is his castle.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

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

This opulent Pueblo Deco movie palace melds Art Deco and Native American motifs.

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

Legends surround this jagged rock formation in the New Mexico desert.

A six-ton wedding present for the King of the Scots.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

The medieval-looking hammer beam teak roof may be a Victorian vanity, but it's still absolutely magnificent.

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

A million and a half tons of earth were used to create one of the world's largest land sculptures.

Huge winged monument in the United Kingdom.

Scattered throughout London are ancient remnants of the city's former bounding wall.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.