This abandoned five-star hotel is now a five-star urban exploration destination.

A 19th-century mansion houses the largest collection of gin in the European Union.

Home on the Hillside, and home of the first breakfast cereal.

Where one of the worst train disasters in the country took place, leading to upgrades in rail safety.

A collection of unique outdoor sculptures surounded by the beauty of nature.

This museum pays tribute to the largest group in the Iroquois Confederacy.

This collection honors the iconic, and proudly American lighter that just won't quit.

A library of rare occult books in Los Angeles.

Rainbow-hued local gem in Venice.

One man's homage to the sun continues to grow like a glass fractal.

America's most famous piece of self-built architecture.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

The unbelievably opulent home built for an infamous newspaperman.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

The Hopi-style structure was built by the man who discovered Desert Hot Springs' famous mineral water.

Every weekend, people gather here for a brief chance to see their loved ones on the other side of the United States–Mexico border.

Though tiki culture has gone in and out of fashion, the Tonga Hut has always been flying the flag in Los Angeles.

These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

Malibu's first beach home features an astonishing trove of ceramic tiles.

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

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

The overgrown ruins of a once thriving World War I-era copper mine.