Built for a motel, this cartoon dino is now a symbol of the area's paleontological heritage.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Concrete strongholds stand guard over the Golden Gate.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

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

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

A museum and gift shop in a small Illinois town commemorates the work of E.C. Segar and the local figures on whom he based his characters.

The only dome home to be owned or occupied by dome inventor Buckminster Fuller.

A 22-foot stainless steel quilting needle pays tribute to a local connection to fiber arts.

This replica of the Greek structure is in the heart of Nashville.

There are eight natural springs around town, each with a slightly different taste.

This enigmatic building features numerous architectural styles.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

Internationally-recognized arts center housed in a century-old former military barracks.

This lighthouse has been guiding shipping into the Golden Gate since before the American Civil War.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

Eccentric sculptures made from repurposed materials peppers this former farm.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

The location along the shores of the Great Salt Lake of what was once called, "The Coney Island of the West", now sits barren due to arson and time.