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

The ruins of the castle that chemicals built.

Colorful Native American paintings are hidden within this small cavern.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

The arch that celebrated the completion of the Lincoln and Victory highways.

One woman's Viking Castle on Lake Tahoe.

People come from across the globe to swim in this lake believed to have healing properties.

A cement mixer-turned-kaleidoscope in downtown Norfolk offers different views of the city.

The third-tallest lighthouse in the United States stands as a reminder of Atlantic City's early days.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

The eerie ruins of a remote abandoned hamlet said to be founded by the survivors of a shipwreck.

Traversing these canyons, visitors can take in stunning views and glimpses of the region's history.

Version of the French Riviera destroyed by the sea.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

More than 700 species live within this murky marvel of a swamp on California's coast.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.