137 graves holding New England's earliest residents.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

A Yale University president wears full samurai garb in one of America’s oldest cemeteries.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

A fire station-turned-church-turned-museum dedicated to the work of seminal light artist Dan Flavin.

The remnants of a 19th-century ironmaking complex hidden in the woods of Connecticut.

This abandoned factory on the Hudson River once churned out a million bricks a week.

A 19th century hat factory still stands as a crumbling ruin in upstate New York.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

The remains of what was once the world's steepest passenger funicular.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

This abandoned ironworks was once the most important military supplier in America.

This sprawling woodland estate was the brainchild of iconic American industrial designer Russel Wright.

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.

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

Home of Philip Johnson, one of the 20th century's most influential architects.

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.

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

This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

This tiny church near Sleepy Hollow contains Henri Matisse's last work, a rose window, and nine windows by Marc Chagall.