Impossibly life-like natural history models created out of glass by a father and son.

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

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

35,000 grape hyacinths flow like water down a garden hill.

The Atlantis of Cape Cod reemerges during the lowest of tides.

Hundreds of personalized inscribed planks make up this historic boardwalk.

Overgrown ruins of a turn of the century island fort that sees very few visitors.

Hut with supplies for shipwreck survivors.

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

Civil War Fort on an island in the Boston Harbor.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

The remains of a hospital ravaged by fire, once a progressive place of innovations for disabled children.

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.

The homestead of American patriot John Adams.

The ruins of one of the first railroads in the U.S. lie hidden within a neighborhood cul-de-sac.

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

These whimsical works of art tell the story of the city's past and present.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

A beautiful Victorian-era cemetery, complete with a miniature village.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.

A historic bridge with a lovely acoustic anomaly.

These beautiful garden buildings are among the oldest surviving greenhouses in the United States.

The two writers famously didn't come to blows over the Oxford comma.