This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

A motel dedicated to Southwestern nostalgia.

A vertically floating hemlock controls the waves and weather at Crater Lake.

Two massive rock outcroppings on the Oregon coastline.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

10,000 flowered plants bloom in the City of Roses.

A collection of colorful dinosaurs hidden in an actual rainforest.

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

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

Only known mainland rookery of the threatened Stellar sea lion.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

This charmingly homemade amusement park has been growing for 40 years.

The magic's in the hole!

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

A heavenly experience, right here on Terra Firma.

This frequently-photographed waterfall takes only a short hike to visit.

Hollowed out cedar log tubs set in an ancient towering forest.

A beautiful 62-acre Catholic shrine and botanical garden.

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

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.