The beautiful 1920 Pantages Theatre remains hidden just underneath the LA Downtown Jewelry Exchange.

One of the world's longest murals depicts the history of diversity in Los Angeles.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

The fossilized remains of ancient California redwoods.

Storybook cottage in Beverly Hills was once the site of 1920s silent film studio, affectionately known as "The Witch's House."

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

The quiet canyon has a tumultuous history involving a doomsday cult.

A collection of colorful dinosaurs hidden in an actual rainforest.

A house of courtship where the Jazz Age's most storied lovers got their start.

Mexican food and folk art.

A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

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

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

This black shoreline is made up of exploded lava particles.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

A cave's rare beauty held a cavernous secret hidden underground.

Commonly referred to as the most photographed Victorian home in the United States.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.