The beautiful 1920 Pantages Theatre remains hidden just underneath the LA Downtown Jewelry Exchange.

Two men, two visionaries of Venice Beach, one little hotel that smells like cookies.

From sax to spuds, get 'em all at this landmark music establishment.

A multimedia experience that chronicles the atrocities of racism.

Magical-looking cottages that inspired one of the most famous animated films ever.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Abandoned Coast Artillery fort now serves as a graffiti canvas and sightseeing vantage point.

A formerly abandoned mental institute, now back in business.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

This elaborate towering structure was once famed for its revolutionary height.

The first American department store, and home to the largest operating musical instrument in the world.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

One of the most unusual geological features, recognizable from a dozen hit movies.

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

Maine's oldest diner also happens to win acclaim for its elevated comfort food.

The world's largest rotating world.

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

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A New England ghost town features a trail of boulders etched with intriguing life lessons.