Massive crater in central Oregon.

The trunks of 3,000 year-old trees lurk beneath the surface of this crystal clear lake in Oregon.

Rushing water plunges over a 100-foot drop created by an ancient lava flow at this majestic waterfall.

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

Unknown to many, this sparkling turquoise lake hides amid Oregon's snowcapped mountains.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

The longest continuous lava tube in Oregon.

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

The world's last remaining store of its kind.

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

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

Mountain known by the Tillamook Tribe as "the place of the supreme deity."

Essence of hound's tongue and tincture of bloodroot are just the tip of the herbalist iceberg at this beautiful, impressively-stocked apothecary.

Rustic natural hot springs in the deciduous rain forest.

Four abandoned towers hidden above the Douglas fir forest in Washington.

Cave carved out of a huge snow drift collapsed killing one and injuring five in July 2015.

One of the last free public hot springs is decorated with hippie art.

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

This small stone chapel is a hidden gem just outside the University of New Hampshire campus.

Inside the unassuming cemetery chapel is a magnificent stained glass window and mosaics.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.