One of the largest collections of carriages, buggies, and wagons in the world.

This amazingly preserved Gold Rush town is a historian's dream.

Medical and zoological curiosities for sale.

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

A miniature train theme park, free to the public, laying at the base of the Santa Monica Mountains.

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

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

Outposts of this restaurant chain were shaped like jaunty chapeaus.

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 Hollywood dive houses a mural painted by the artists who animated its namesake film.

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.

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

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

This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

The final resting place of a space program monolith.

The programmatic glory of LA's giant whiskey barrel building has become an upscale reminder of the city's kitschy roadside past.

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

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

Two awe-inspiring globes from the reign of the Sun King hang from the ceiling of France's national library.

This massive library holds what was once the largest book collection in the world.

The oldest stone house in Paris was built by its most famous alchemist.