In the days before HD projectors and IMAX, some of the most powerful projectors belonged to planetariums.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

A classic carnival ride that was carved to be untouchable.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

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

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

One of only five observatories in the world built to measure the Earth's wobble.

Canyon walls shrouded in ferns.

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

This natural marble cave is one of only five national monuments in Oregon.

Rustic natural hot springs in the deciduous rain forest.

In this subterranean brick arcade, a small shop continues the ancient practice of bookbinding.

This edible park is open to any and all foragers.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

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