Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

A wild west land agreement was etched right onto this historic Idaho stone.

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

A sprawling cave network created by a lone lava tube.

This playground sculpture of an icon from the past is dedicated to the children of the future.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

The secluded site of a 1943 plane crash and amazing rescue is only accessible by hiking through the woods.

Not far from Mount Rainer, an iron wonderland claims the landscape.

A short hike into the mountainside forest reveals a decaying 1890s town.

A nearly abandoned 19th-century town on the Palouse.

A cave interior in the shape of the ancient rhinoceros, created by lava cooling around its carcass.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

An old World War II hangar holds 20 vintage aircraft and the rare opportunity to take a ride in a 1940s warbird.

This great stone guardian of the forest is a relic from the land's volatile volcanic past.

People come from across the globe to swim in this lake believed to have healing properties.

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

A home made entirely from scrapped, reclaimed and recycled material in Whitman County, Washington.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

The century-old remains of an abandoned farm town in eastern Washington.

This perfectly preserved Chinese medicine shop was untouched for decades before being reopened as a museum.