True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

The grave of Mary Nasson is shrouded by witchy legends.

This museum on a college campus pays tribute to the Arctic and to two explorer alumni.

Despite its extensive history, this fort saw little to no combat.

Inside the Bangor International Airport is a collection of military challenge coins.

The smallest covered bridge in Maryland.

First built around 1848, this bridge was destroyed by arson, but original timbers are included in the replacement.

Washed out by the Johnstown Flood in 1889, the surviving portion of the original two-span bridge now resides at Fishing Creek.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

A monument marks the location of the first successful steamboat demonstration.

The "All-Seeing Eye of God" symbol on this library is a clue to one of the many former lives of this building.

This general store is more than a century old and home to various oddities and antiques.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

The Aldie Gristmill was once the largest factory of its kind in Loudoun County.

A monument marks the beginning of the longest north-south road in the United States.

A small park commemorates the departure of the first-ever successful transatlantic balloon voyage.

This uninhabited island in Maine is home to various works of art left by visitors over the years.

A charming museum of natural history featuring dioramas and exhibits made entirely by college students.

The first handmade canoe built by members of the Passamaquoddy in over a century.

This massive solar system model is sprawled out across Maine's suburban wilderness.

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

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

A museum dedicated to the tragedy of Bloody Sunday.