A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

One of few surviving standpipe water towers in the U.S.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

University City's quirkiest resident lives in a park named after its first.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

A notorious Route 66 eatery once frequented by Al Capone.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

This giant shopping mall still holds signs of its automotive past.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

A giant can of fruit cocktail is all that remains of what was once the world's largest cannery.

From the Difference Engine to the Cray-1, all under one roof.

Abortion, prohibition, religion, war, and fear all play a part in the history of this idiosyncratic Pacifica castle.