This elaborate towering structure was once famed for its revolutionary height.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

Dr Barnes' $25 billion private collection of art and arboretum.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A toxic ghost town sitting atop a massive coal fire.

World's first "penitentiary," meant to be humane, drove men insane.

Books you don’t need in a place you can’t find.

This roadside attraction attracts kids with dinosaurs before blindsiding them with geology.

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

This giant Massachusetts sycamore is said to hold the dubious distinction of being the "widest tree East of the Mississippi!"

A single room pays homage to the prodigious achievements of the 30th President of the United States.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

The monumental steeple on Amherst College's campus has no church attached to it.

An unusually designed bridge from the 1920s was built to withstand the tides and winds of Maine.

Maine's oldest diner also happens to win acclaim for its elevated comfort food.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

The mighty room where the poet spent most of her life is available to rent for an hour or two.

This rare symbol of Eastern philosophy in the West has been created over years of painstaking construction by the local community.

This tall Massachusetts folly got its name thanks to all of the purple prose its vistas inspired.