More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

These ancient sacred grounds granted amnesty to those who managed to reach them.

This black shoreline is made up of exploded lava particles.

A true treehouse near Hawai'i Volcanoes National Park.

A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

In 2018, Pohoiki Road was severed by lava flowing from the eruption of Kilauea.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

This municipal playground was co-created by the father of one of the most playful characters ever.

An old whaling station now serves to give the public a look at the commercial whaling industry, no longer a part of Monterey's economy.

One poet's handmade, anachronistic home.

The oldest continuously operating church in California.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

Fake rail crossings mark the site of an influential doctor's demise.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

The oldest lighthouse on America's west coast no longer needs keepers, yet they maintain the site anyhow.

This lonesome Monterey cypress has survived centuries of wind, salt, and at least one attempt at arson.

Haunting and beautiful trees, doomed to die.

Before its closure in 2002, this South Dakota mine was the largest and deepest gold mine in Western Hemisphere.

Make it an offering.

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

A volcanic landmark located on an Ice age lake bed.

This spectacular fault escarpment, a popular hang-glider launch point, extends some 30 miles long and towers about 2,500 feet over the valley floors to the west.

A unique solar-powered pottery studio and gallery in the desert.