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.

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

Victoriana on Orange Grove Avenue.

A Bicycle Path in the Sky.

A castle that was built stone by stone by an eccentric journalist.

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

This hands-on math museum believes in turning concepts into constructs.

An Airy Would-Be Solution to a Housing Shortage.

The site of the house Jack Parsons made famous both in life and death.

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

The art and history of the velvet painting are on full display in this Los Angeles museum.

Suburban observatory was personal lab of the father of modern astrophysics.

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

Gorgeous purple flowers drape from the world's largest blossoming plant.

A cobblestone alley with an interesting past.

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

A beautiful memorial tells the story of a formerly enslaved woman whose kindness shaped a burgeoning city.

Hidden above a drug store on a nondescript corner of Lincoln Heights is a private clubhouse for intrepid explorers.

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

The illuminating collection of L.A. street lights is run by the city and only opens one day per month.

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

The final resting place of a space program monolith.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

Celebrating the accomplishments of Black firefighters in Los Angeles.