Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

The first full-scale tunnel built in America is short but scenic.

After Christopher Columbus died, his son built a fancy house to rule from.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

Hundreds of numbered stakes hidden in the woods mark the graves of the lost souls of a nearby asylum.

Local lore claims this park is named after a young woman who jumped off a cliff.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

This ominously named New Jersey street seems to be attracting over-the-top legends of its own making.

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

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

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

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

Oldest existing wire suspension bridge in the United States.