A hands-on traveling collection of the innovative devices of yesteryear.

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

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Home to items never before seen by the public.

A beautiful 62-acre Catholic shrine and botanical garden.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A hip bar decorated with walls of golden skulls.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

Enormous lake at the bottom of a unique cave system.

Stroll through a wonderland of stupendous moss-covered trees.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The rocks in this arid basin leave trails of movement behind them.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

The seamy, underground secrets of Portland's criminal past.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

One-of-a-kind museum inside the first Boeing 747-400 ever made.

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.