Tracing a path of more than four miles around a frozen lake, this is the longest skate trail in the United States.

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

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

This desert oddity hides in plain sight thanks to a cartographic error and a desert explorer with a punny sense of humor.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

An eerie reminder to the horrors of World War II.

The first "Hut" was actually a small brick building.

This amended headstone marks the grave of a participant in one of the most successful military deceptions of all time.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

A master plumber has turned his love of art and toilets into a folk museum that's not taking the piss.

Led Zeppelin wrote some of their most iconic songs at this little 18th-century Welsh cottage.

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

Where you can hail your favorite fictional commanders-in-chief.

Where a brain, a beauty, a jock, a rebel, and a recluse met one Saturday and changed their lives forever.

The heroic sled dog of the 1925 serum run is preserved in taxidermy.

One of the oldest bridges in Norwich was used during the English witch trials and is said to be haunted.

Centuries after this 12th-century abbey had fallen to ruin, it became known for the strawberries and cream served in its gardens.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.

Hidden within a spa in a Texas strip mall is a restaurant specializing in Eastern European foods.

A prison-like structure guards the remains of a notorious Old West outlaw.

A larger-than-life version of the hat beloved by hunters, outdoorsmen, and Holden Caulfield.