This roadside attraction attracts kids with dinosaurs before blindsiding them with geology.

A centuries-old lookout post still sits atop a natural stone spire.

If astronomy had a ghost, it would look like this observatory.

Nature is leading a successful mutiny on this century-old freighter.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

This museum boasts the ninth-largest collection of insects in North America.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

A swing to dangle you off the very edge.

Two provinces and two territories touch borders deep in the middle of the wilderness.

Caves that can't seem to quit producing the remains of prehistoric humans.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

Come for the speed, leave in love with the desert.

Tens of thousands of tiny bottles stuffed with various items.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

The intriguing personal collection of a professional demon-chaser.

Enormous one time fiber mill now houses local artists and small businesses.

Offbeat arts organization that hosts exhibitions, events, and explorations.

Abandoned power station once home to a squatter community, now being developed into an arts center.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

New York's oldest magic store.

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.

Series of storm drains connected to a dark urban legend.

This was one of the first (and last) university-built and operated nuclear reactors.