This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

The blinking light atop the iconic landmark has been sending secret messages for decades.

A three-story, three-dimensional hobo clown in a tutu welcomes CVS shoppers.

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

The final resting place of a space program monolith, soon to be unveiled again to the public.

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

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

This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

A multimedia experience that chronicles the atrocities of racism.

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

An expansive book store, art gallery, and curio shop with wares ranging from tarot cards to novelty socks.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

This towering volcanic plug stands out among the dramatic formations that dot this otherworldly desert valley.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

See massive fossils that are over 200 million years old in northeastern Arizona.

Where the rich wintered in Pasadena.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

The ghostly remains of an accidental sea.

A library of rare occult books in Los Angeles.

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

This historic graveyard was partially paved over to create a streetcar line.

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

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.