Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

9,000 square feet of vintage and modern mechanical toys, dioramas & sideshow curiosities.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

A rapidly disappearing glacier filled with extinct grasshoppers, perfectly preserved in the ice.

A science fiction-inspired apartment building designed by a famous Spanish architect.

A Buddhist temple to honor insects that died for science.

Every color in the rainbow awaits.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

A collection of full-size movie monsters opened to the public.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

An enormous, inside-out glass globe built in 1935.

A chance to sleep among the firs and pines of the Oregon forest.

Enormous lake at the bottom of a unique cave system.

This overgrown Illinois water park offers a whole new type of adventure.

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

The romantic botanic tunnel feels like a well-kept secret.

The longest navigable underground river in the United States is home to countless blind and albino animals.

A clear blue swimming hole with hidden caves, still unexplored.