A historic bridge with a lovely acoustic anomaly.

This decrepit abandoned building is made all the more eerie by its dark history.

This railroad tunnel was once the longest in Massachusetts.

An abandoned car and strange wooden debris are among the scattered remains of the old sand and gravel quarry.

A strip of modern stores in historic buildings.

Dedicated to preserving the history of free Black communities in Brooklyn and beyond.

Lehigh Valley barge No. 79 still gets tugged along - but now it houses a museum and unusual performances.

Once a popular watering hole among longshoremen and shipyard workers, this neighborhood treasure spans more than 100 years of Red Hook history.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

Oldest existing wire suspension bridge in the United States.

Glacial erratic or man-made dolmen? It probably wasn't druids.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

A winding, cliffside stretch of road overlooking the Delaware River.

Beautiful hillside Vermont cemetery with amazing funerary art.

A memorial sculpture to heath hens stands on the spot where the last heath hen, Booming Ben, was last seen.

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

A museum dedicated to "science, history and the arts" little changed since 1915.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

One sculptor's lifelong war game is the largest and longest running miniature campaign in history.

An artist sees trees as a medium for sculpture.

The massive Roman arch in New Hampshire that was meant to be a tomb.

The world's best collection to gauge whether or not you should wear a scarf outside.

Friction between grains of sand cause a curious "singing" sound.