Enormous lake at the bottom of a unique cave system.

This California estate was either haunted by ghosts or the Marx brothers.

Three courses accompanied by Christian rock.

A tribute to the life and work of the beloved "Peanuts" cartoonist.

A vast city of the dead, where the deceased outnumber the living by more than a million.

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

The fossilized remains of ancient California redwoods.

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

The ruins of a resort and casino sit on the banks of this blue hole spring that pumps 70,000 gallons of warm, clear water every minute.

An odd and heartwarming stone marker enshrines the moment a community saved a farmer's pig that fell in a well.

An underground magnet for ever-changing street art.

Thousands of jack o'lanterns light up Halloween at this historic West Virginia home.

You can get anything you want at the former site of the restaurant immortalized by Arlo Guthrie.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

This Italianate house was the childhood home of the prominent Canadian painter, Emily Carr.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

A stellar example of Art & Crafts architecture, and a movie set to boot.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.