Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

These fantastically named natural pools look like something out of a Scottish myth.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

A 30-acre garden inspired by the principles of modern physics.

360° views of the city plus five floors of optical illusions and hands-on science.

Astonishing collection of helmets, scientific instruments, and medical models.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

The rustic think-space of famed naturalist John Burroughs stands exactly as he left it.

This abandoned cemetery is crumbling into ruin, exposing the artifacts and bodies buried there.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

Reforestation in action is the main attraction in this abandoned quarry.

This sprawling woodland estate was the brainchild of iconic American industrial designer Russel Wright.

This whimsically unique butterfly farm focuses solely on creating habitats for the gentle insects.

The attic and basement house two museums stuffed with oddities like swallowed spoon handles and a shrunken head.

The life of one of FDR's possible mistresses is preserved in her palatial Hudson Valley mansion.

The Home and murder site of the witch of Rehmeyers Hollow.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

Believe It or Not, Ripley once called this chiseled mountainside “New York’s Mount Rushmore”.

Whimsical artist house in the New Jersey woods.