A museum devoted to the science of color.

The gathering point of an old Melbourne swimming club was site of a historic, world-record dive in 1918.

An abandoned marine theme park has created a difficult experiment in dolphin rewilding.

The petroleum industry brings you the joys of hydrocarbons and largest collection of antique oil rigs in the world.

California's first suspension bridge.

A man-made island in scenic San Francisco Bay.

A 90-acre park on former landfill that hosts an annual kite festival.

Once the gateway to the utopian dream-village of a Civil War embalmer.

If you dial the number in this abandoned office window "Sam Spade’s" secretary will ask you to leave a message.

One of the last free public hot springs is decorated with hippie art.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

At the base of the Spring Mountains, a unique nursery packed with desert plants.

North America's largest accredited model railroad museum.

One man's quest for the ultimate road trip vehicle.

An antique store houses the last operational diner from the defunct department store chain.

Thousands of years ago, Indigenous people painted images onto these canyon walls that are still on display today, provocative, mysterious, and enduring reminders of the people who lived here long ago.

Over 600 vacuum cleaners stack the shelves of what may be the cleanest museum in America.

One of the most remote spots in America and the first protected wilderness area in Nevada, named after an old legend.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

A downtown park built on top of unclaimed graves.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

A technicolor place of worship for Elevationists.