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

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

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

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

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

World's largest collection of serial killer artwork and other macabre exhibits.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

Granting the right of way to ships over surface traffic since 1917.

Always a new use for this old building.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

A vinyl-lover's Shangri-La.

A nondescript Seattle restaurant inherited a piece of European history.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

A wall of chewing gum moonlights as collective art.

A giant Troll lurks under one of Seattle's oldest bridges.

A visionary, futuristic sculpture in Los Angeles that never met its extraterrestrial potential.

A museum dedicated to the history and exploration of both popular music and science fiction.

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

A faux European lane smack dab in downtown L.A.

A 50-foot tile mural mosaic for the 100-year anniversary of the Statue of Liberty.

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

The legendary building that needed ghostly approval before being built.

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