A free library to stumble across, one of many placed worldwide if you know where to look.

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

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

The last of its kind in the country.

Magical-looking cottages that inspired one of the most famous animated films ever.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

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

World-famous, Pink's still manages to keep its prized cult fetish status.

Rainbow-hued local gem in Venice.

A library of rare occult books in Los Angeles.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

Resting place of Hollywood's immortals is also site of summer film screenings.

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

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Unlock the secrets of the conjuring arts.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.