Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

A non-native grove of 241 redwoods in Southern California.

This vintage car parts store is also a museum devoted to a squat little gem of automotive history.

Venue for strange sideshow displays and musical acts.

Where monkeys run wild and the humans are caged.

The grand marquee of this abandoned Hawaiian theater remembers the building's elegant past.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

What remains of the summer palace of King Kamehameha III.

This WWII plane died a quiet death, and is now a garden eel playground.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

Doris Duke's lasting collection of Islamic Art, hidden in a Hawaiian paradise.

World War II-era Nazi compound nestled in the Santa Monica hills.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

360-degree virtual reality chamber physically immerses scientists into their data.

Medical and zoological curiosities for sale.

The remains of the first punk club in L.A.

A pair of disused Los Angeles electrical poles now glow with delicate windows into the past.

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

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

Dozens of feral felines rule a segment of Hollywood's only graveyard.

A library of rare occult books in Los Angeles.

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

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

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