America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

The Boston square dedicated to the dark poet who was born nearby.

Two thousand artifacts from around the world collected by one woman who loved to travel.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

Where the leftovers of love affairs can live on forever.

The dramatic upward-curving roof is one of the most iconic examples of Googie architecture that still stands today.

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

The rusting remains of the largest assembled WWII fleet on the West Coast.

The haunting ruins of Jack London's dream house.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

The largest drain hole in the world.

A breathtaking 19th-century trail overlooks Lake Tahoe.

This wilderness hike to a waterfall has an unlikely beginning in suburban Reno.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

Each winter this underground cave forms a dazzling ice palace.

Canyon walls shrouded in ferns.

This historic steamboat is scuttled just a few hundred feet from where it was built over a hundred years ago.