The oldest standing structure in downtown San Diego.

A tunnel with windows, so you don't miss out on the impressive views.

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

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

A new kind of theme park for adults off the Las Vegas Strip.

Pay your respects to a folk-punk legend.

The eerie ruins of an isolated abandoned town nicknamed "the Widowmaker" for its deadly gold mine.

This magnificent, quirky home sits atop a literal gold mine in the middle of the Nevada desert.

A blacklight mini-golf fever dream pays tribute to the iconic rock band.

The silent film master's legacy commemorated in all the right and wrong places.

Nancy Thompson's Home from "A Nightmare on Elm Street."

An informal walk of fame in front of a Hollywood office building remembers a comedic great and his associates.

These two monoliths have stood at the entrance to the neighborhood since the days it was called "Hollywoodland."

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

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

Most famous work of one of Frank Lloyd Wright's sons.

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

A landmark for a trailblazer for female architects and the designer of one of the most famous and opulent buildings in California.

Mid-Century Modern Meets Millionaire’s Row.

Pasadena’s Stonehenge.

A California city claims to be the home of a fast-food classic.

A Bicycle Path in the Sky.

The most popular attraction in Southern California was once a flock of ornery bipedal birds that pulled carts.

The famous blue house from the classic horror film "Halloween" is now a local landmark.