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

100-year-old shipwreck you can walk up to at low tide.

This graveyard is the eternal home of many brave pioneers who settled the Great Northwest.

A Roman-style column in Oregon hides a spiral staircase inside.

This solo operation offers the world's only whey wines in flavors such as chocolate-orange.

An outsider art duo's yard has been turned into a whimsical public gallery.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

This super-sized skillet is a replica of a usable giant pan where a woman once skated on bacon.

These memorials built by an eccentric bachelor on the side of Interstate 5 cause both wonder and traffic accidents.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

The founder of a utopian religious community based on the Golden Rule laid his son to rest on this grassy hill.

A giant sculpture dedicated to a staple of South Bend food culture.

A giant roadside black bird marks the location of this eclectic local mall.

In the midst of a residential town in Washington exists a property saturated with one man's artistic creations.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

A tribute to the Nirvana frontman hides beneath the bridge that was the singer's beloved hangout spot.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

Celebrate Earth Day with a menagerie of vibrant, artistic animal costumes.

Hundreds of hopeful gold miners came here to get rich, but only two years later the small town was deserted.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

A bike being "eaten" by a tree is the real Vashon legend behind popular children's book, "Red Ranger Came Calling."

Seattle's super-sized cowboy apparel once belonged to a themed gas station that wrangled in herds of tourists.

The tiny church offers succor to travelers driving by, but only eight at a time.