Legend says if this neo-Gothic basilica is ever officially completed, the world will come to an end.

This museum’s collection includes rescued birds, fine art, and a collection of shrunken heads.

The gondolas let you glimpse a bird's-eye view of one of the world's highest capital cities.

Underneath downtown Lincoln resides a network of caves that was also the city's first brewery.

This once rural mansion now sits in the heart of the city.

A private collection of massive steel monsters guarding a Texas pipe works.

Tucked away down this Baytown alley exists a one-of-a-kind art exhibit of technicolor umbrellas.

Explore the dark underground corridors of this graffiti-covered former military fortification.

The world's largest rotating world.

The only remaining historic maritime signal station in the United States.

Its unique collection details the history of the state's svelte railroads.

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

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

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A ghost town at the airport is now a refuge for blue butterflies.

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

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

Explore 10 acres of environmental sculptures.

Historic funicular railway, believed to be the shortest railroad in the world.