The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

One of two giant blue cockerel statues erected with an intentional double meaning.

Calidum et Deliciose Succosum!

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

This shop for all your super spy needs hides an educational secret.

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

Room 32 of the Alta Cienega Motel has grown into a shrine to the Lizard King.

The last of its kind in the country.

The exterior of this home was used for the hit television show, The Brady Bunch.

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

The hotel room where Janis Joplin tragically died has now become a makeshift shrine to the singer.

No matter what it might seem like on film, most scenes filmed on a plane are filmed at this LA studio.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

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

This beacon for pre-radar pilots once guided Charles Lindbergh to a safe touchdown in Tulsa.

One of the best examples of Art Deco architecture in the United States.

An acoustic anomaly with a mysterious cause.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.

The famous author's birthplace is preserved in a town that he once described as narrow-minded.