A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Temporary Burning Man sculpture made of two 18-wheelers.

Most famous work of one of Frank Lloyd Wright's sons.

L.A.'s oldest operating bowling alley is a beautifully restored homage to its speakeasy days.

Beautiful Victorian buildings from L.A.'s forgotten architectural past.

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 opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

Historic funicular railway, believed to be the shortest railroad in the world.

The legendary building that needed ghostly approval before being built.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

Opened as part of the New Deal, the training facility now features World War II-era structures and a pylon that once stood at the World Trade Center.

This giant temperature attraction created some giant electric bills.

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

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.