Home to the deepest rift anywhere on Earth.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

Just a man taking his prehistoric pet for a stroll.

A beautiful geyser under environmental threat.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

The largest island on the great salt lake is home to curious creatures and strange stories.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

This quirky local sculpture is quite literally a fish out of water.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

Bonsai trees that are up to a thousand years old.

An enclosed rotunda at the Henry Art Gallery in which viewers can look up and see the uninterrupted sky.

The illuminated falls are a gem in North Cascades National Park.

A whimsical village of unique treehouses resides in a Washington forest.

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

A unique botanical garden housed in three giant geodesic domes.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

Watch the newest land on the planet form before your eyes.

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

Walk through row upon row of manicured miniature trees at the United States' largest bonsai nursery.

This Minnesota-shaped forest is actually located in the state it is shaped like.

When waves crash onto this section of beach, the rocks sing a song.