An Italian restaurant became a rock-and-roll hangout and the lair of the "Hollywood vampires."

The blinking light atop the iconic landmark has been sending secret messages for decades.

A cake-themed art installation tucked away in historic Chinatown.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

Hidden above a drug store on a nondescript corner of Lincoln Heights is a private clubhouse for intrepid explorers.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

World-famous, Pink's still manages to keep its prized cult fetish status.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

Resting place of Hollywood's immortals is also site of summer film screenings.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Deep into the lower floors of Pike Place, find a date with fowl fate.

This might just be the TARDIS of bookstores.

What began as an art installation is now the private drinkhaüs for a brewery's employees.

Journey through a collection of over 35,000 Halloween items from all generations.

Behold the rickety wooden glory of the world's oldest operating roller coaster.

The oldest automobile museum in the United States.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

The longest-covered bridge in the state of Maryland.