The hidden lair of an alchemist rediscovered in a 2002 flood.

An elaborate, hidden model train in the Needham Town Forest.

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

In Gloucester, Massachussets, fishermen celebrate a successful year at sea by charging a lubed pole to capture an Italian flag.

The world's oldest and largest museum of mass transit vehicles.

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

Western New York's largest independent bookstore doubles as a historical repository of all things Niagara Falls.

Once the largest attraction in Rhode Island, this former amusement park is now a gorgeous coastal state park.

The exact whereabouts of this surreal cabinet of curiosities are rarely the same place twice.

This tower pays homage to a legendary Viking fort established in Massachusetts that never really existed.

From horses to stainless-steel trucks, this iconic Providence burger wagon is one of the oldest mobile diners in the country.

Generations of rockhounds got their start at this beloved, historic mine.

Abandoned Coast Artillery fort now serves as graffiti canvas and sightseeing vantage point.

A stunning garden filled with fantastical environmental folk art and sculptures.

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

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

No one really knows how these old hobby horses got here, but the herd keeps growing.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

An enormous, inside-out glass globe built in 1935.

An abandoned 146-acre summer resort slowly being reclaimed by nature.

Forgotten under the construction of a new urban roadway is a small, abandoned part of town.

Underground tunnels remain beneath this abandoned mental asylum.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

A reliquary of pop culture marvels, including the world's largest (and most terrifying) Jack-in-the-Box.