A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A wall of chewing gum moonlights as collective art.

Boise State's stadium was the first non-green football field in the world.

A museum dedicated to the history and art of staying clean.

The rocks of a certain area of Butte, Montana give off a musical ring when hit.

The only arched bridge made of stone on the entire Mississippi River.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

Statue dedicated to the star of an old television show.

A place to eat for on-the-run agents and espionage enthusiasts.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Marta Becket's hand-painted theater in the desert.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

Tucked in the back of this amazing antique store is an important piece of medical history.

A terrific purveyor of natural history objects and curios.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

A hidden "place of interment for gentlemen."

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

A reminder to choose water over wine since 1888.

An exotic wildlife habitat right off The Strip.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.