The United States Capitol's former columns still stand.

The only theatre in the world constructed specifically for sound movement.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A 140-year-old castle with underground caves hidden in San Francisco.

Tucked in the back of this amazing antique store is an important piece of medical history.

A huge musical instrument played by the ocean.

A psychedelic labyrinth on the San Francisco bay.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

These early tent-shaped grave coverings are unique to Appalachia.

In the hometown of the Grand Ole Opry star is a larger-than-life memorial statue made entirely from chicken wire.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

The bad-ass ride of a soul legend, housed in one of the world's few soul museums.

Crumbling Kennedys and a decaying Tecumseh are just some of the haunting remains of one man's cement art trail.

Mass graves and Victorian monuments mark the history of Memphis in this 19th century cemetery.

The juke joint where legendary soul artists ate, drank, and made merry.

When Motown musicians came to Nashville in the 1960s they stayed at this historic record-pressing company because hotels wouldn't host them.

An oversized metal construction of Billy Tripp's moods going through life.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

Home to drunken tower-climbing goats... seriously.