A throwback train ride transports passengers through one of the lesser-known national parks in the country.

A grandiose title could not save this mercantile community from obscurity.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

The world's longest known cave system.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

This roadside wonder is as mysterious as it is beloved.

Inside a state forest, the forgotten remains of a Cold War defensive installation.

This historic railway museum may have lost its passengers but not its love for trains.

The remnants of a 19th-century ironmaking complex hidden in the woods of Connecticut.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.

Located in Faneuil Hall, the headquarters of the Ancient and Honorable Artillery Company of Massachusetts has stood the test of time.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

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

A tiny monument to the classic American candy.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Herbert Hoover's "Brown House" rural presidential retreat was a PR disaster amid the start of the Great Depression.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

One street divides a single town that stands in two U.S. states.