A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.

A volcanic cone that formed over 600 years ago.

A relic of the region's once booming timber industry.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

The remains of a deserted steamboat sit rusting beside an old ferry pier and an abandoned train platform.

The oldest dim sum restaurant in the United States is a nostalgic jewel.

After serving in World War II and picking up Apollo astronauts, this aircraft carrier has been turned into a museum overlooking the San Francisco Bay.

The self-proclaimed gateway to the Extraterrestrial Highway.

This sign designates the road that leads to the infamous Area 51.

It leads to a former hospital’s old root cellar.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

US-50 in Nevada is known as "the Loneliest Road in America," but this earlier iteration of the route is even lonelier.

Drive up a paved road into "Nevada's Yosemite" for exquisite views and mountain hiking in an alpine setting.

A Wild West saloon that helped define a generation of psychedelic rock.

The ruins of a military outpost from the 1860s form the centerpiece of a Nevada state park.

Narrow slot canyons in a badland eroded into soft sedimentary rock provide an otherworldly landscape in this remote Nevada state park.

Mysterious meeting place for UFO hunters near Area 51.

An eatery for UFO seekers on the Extraterrestrial Highway.

In the middle of a remote desert town is a surprisingly opulent hotel.

This tiny cluster of abandoned buildings looks like the future of the ghost town - today!

This former luxury resort in Kaua'i is now an abandoned relic.

This ruined fort and statue are a testament to the last king of Kaua‘i’s savvy diplomacy skills, which briefly brought Russians to Hawai‘i.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

A spectacular but little-known slot canyon in extreme northern Nevada, with sheer walls nearly 500 feet high and a perennial stream.