The mounds on this coastal archaeological site reveal the history of the land’s first inhabitants.

This natural spring is the winter home to the largest gathering of manatees in the world.

Meet manatees face-to-face at this zoo for native species.

Over 300 taxidermied animals in a Californian restaurant make for a taxidermist's dream and an animal lover's nightmare.

Once a Catholic mission, this small town tucked between the ocean and the mountains is now a magical spot for art and history lovers.

This 19th century hydroelectric powerhouse was the first of its kind.

A brothel nestled amongst ghost towns, with an abandoned plane wreck to greet you.

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

A small research station sits at the summit of this mountain, which is one of the few U.S. peaks higher than 14,000 feet outside of the Sierra Nevada.

This once bustling boomtown hotel is now the hottest spot in Nevada for ghost hunters.

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

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

A scenic hike in the High Sierra that ends at an old gold mine.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

The museum is housed inside the historic 1863 Carson City Mint.

A small Second Empire-style building is one of only seven remaining lighthouses on the Hudson River.

The second oldest continuously operating bar in Louisiana.

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

Art Deco stylings conceal the true nature of this bridge.

Bits and pieces from the ill-fated Donner Party's winter cabins.

Curiously, this large sporting goods store features 14 wax representations of American presidents.

This large chunk of dark rock is a relic from an ancient volcanic eruption.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Legends surround this jagged rock formation in the New Mexico desert.