It may take some time to locate, but it's sure to warm even a heart of stone.

These eerie outliers of the lightning bug family glow a mysterious blue color.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

The small cave that housed Tennessee's "first citizen."

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

A bizarre house filled with an astounding array of collections.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

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

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The first declared National Monument in the United States.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

Community bookshelf of 25-foot-tall book spines.

Less a museum than a bizarre fantasy world created by artists and engineers.

A lush green oasis in the middle of Chicago.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

The Grand Canyon of Texas.