This giant temperature attraction created some giant electric bills.

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

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

The former Naval shipyard is open for exploring - mostly.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

This freshwater spring fills with 10,000 gallons of water per minute.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

A building so large that it has its own weather.

These boots are made for selfies.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

Elvis's own personal tropical hideaway.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

An exotic wildlife habitat right off The Strip.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

A giant donut stands as a popular symbol of Los Angeles iconography.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.