This clock tower is all that remains of Bird Hall, constructed by one of the founding families of this Massachusetts town.

In the middle of a New England forest sit the crumbling ruins of World War II-era ammunition storage bunkers.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

This old mill and former police station now present a world-class collection of Orthodox iconography.

This railroad tunnel was once the longest in Massachusetts.

The only surviving building of historic West Boylston, which was flooded to create the Wachusett Reservoir.

The last remaining attraction from Paragon Park.

Plans for this peninsula included houses, the United Nations Headquarters, and a nuclear power plant. When none of them worked out, it became an expansive park.

An antique store houses the last operational diner from the defunct department store chain.

Once the largest gravity dam in the world.

The only remaining historic maritime signal station in the United States.

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

A restored historic movie theater is the perfect place for a regional film archive.

The wooden airship was the largest flying boat ever built.

This picturesque abandoned home is rumored to be a spite house.

The massive machine creates cracking displays of indoor lightning.

This grand gothic brewery has been pumping out suds for over a hundred years.

America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

An abandoned gun-funded 19th century utopia.

The early American colonists were such ferocious drinkers the law actually required every town to have a tavern.

A tribute to Ponce de Leon's supposed quest for eternal youth.

A bit of retro transportation flair preserved in the world's largest department store.

An art deco ice cream shop covered in vintage tiles.