Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.

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

A historic Black graveyard hidden in the parking lot of one of America's largest malls.

This enormous abandoned factory is now a makeshift graffiti gallery.

The mysterious headstone of an unidentified bank robber was seen visited, every year, by a woman in black.

The only surviving fragment of the lost Narragansett Pier Casino.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

The mansion and cenotaph of the New Hampshire Faust.

A stone memorial erected for New Hampshire's only convicted witch.

A quiet spot commemorating two naturalists who had to choose between love and the university at which they both taught.

The most photographed house in Maine looks good enough to eat.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

Believed by many to be the oldest surviving public monument in the United States.

Site of an escape, ten murders, and some scalpings.

The summer home and later final residence of acclaimed American sculptor Augustus Saint-Gaudens.

3,200-square-foot mural inside Dartmouth Library depicts the history of America with images of human sacrifice, ancient gods, and other unspeakable terrors.

This folk art dinosaur was almost pushed to extinction due to lack of a building permit.

The quaint little Vermont town played a quaint little Connecticut town in Tim Burton's "Beetlejuice."

This large cemetery is known as the museum of granite sculptures.

Beautiful hillside Vermont cemetery with amazing funerary art.

The Vermont grave of a 4,000-year-old mummy prince.

Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

Two distinctive homes on a New England village green look like a couple of frosted wedding cakes.

A cable-suspension footbridge that hangs high above the Mill River.