Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

For more than two centuries, this family-run establishment has been serving up some of Ireland's best oysters.

This restaurant serves wood-fired fare served in a natural cave with a live spring.

These rose marble urinals are the most luxurious loos in Liverpool.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

This amazingly preserved Gold Rush town is a historian's dream.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

The ghostly remains of what was once the world's richest copper mine.

A ghost town originally established and governed solely by Black Americans seeking a place of their own, free from discrimination.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

This former mining hub holds a surprising abundance of undisturbed relics from the Old West.

A lawless town deep in Death Valley was famous for its riches and death rate.

An abandoned town is hidden in Great Smoky Mountains National Park.

In the early 1900s, hundreds of Black Americans found opportunity in this now-abandoned rural community.

This ramshackle ghost town is comprised of mining-era buildings collected from around the region.

The oldest continuously-operated inn in the United States, once owned by Henry Ford.