The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

Stroll through a wonderland of stupendous moss-covered trees.

A Seattle oddities shop brimming with Victorian-era gems and antique curio.

This Seattle curio shop collects and sells haunted items in order to spread wonder one grim artifact at a time.

This offbeat trailer park is home to vintage peddlers, local artists, indie makers, and more.

This Seattle store is packed with all sorts of curious creatures and creations.

A (slightly) grownup take on the classic retro arcade.

This painted blacktop brings the classic arcade game to life.

This former coal gasification plant found a curious second life as a popular public park.

A wall of chewing gum moonlights as collective art.

Couple's personal collection of pinball machines turned public pinball museum.

Make your reservation to have coffee with some kitties.

A museum dedicated to the history and exploration of both popular music and science fiction.

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

A walk through the historic city center, under the streets of Seattle.

A giant Troll lurks under one of Seattle's oldest bridges.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

The eccentric mansion of one the most popular horror authors of modern times.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

This park pays homage to the region's rich industrial history of brick making.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.