Hidden among the trees at the Rangeley Lakes Trails Center are more than 20 gnomes in small wooden houses.

Two geoglyphs that are truly unique to North America.

These ruins of an octagonal stone school that was later used as an A.U.M.P. church exemplify a popular school design from the 1830s.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

A monument celebrating the Black soldiers of the 9th and 10th Cavalry.

The final resting place of a free Black soldier who played a pivotal role in the Battle of Bunker Hill.

One of the earliest—and most commonly forgotten—acts of rebellion against English rule.

This rare polygonal meeting house is rumored to be built in a circle so that the devil has nowhere to hide.

The remains of a deserted 1800s farming community can be found in Little River State Park.

Tragedy on Little Brewster Island memorialized.

Ornate and macabre headstone in one of the country's oldest cemeteries.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

This is the house that spite built.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

Rumored to have tormented a family in the late 1960s, this toy now resides in a quiet little oddities shop.

Built to bless whalers before their voyages, this Massachusetts church now features a ship-shaped pulpit.

This tower commemorates the spot where George Washington hoisted the Grand Union flag.

The former residence of Elizabeth “Mumbet” Freeman, an enslaved African-American woman who successfully sued for her freedom.

This funeral home had the honor, if that is the correct word, of hosting the funeral of the famous Sacco and Vanzetti.

This boulder with a 200-word legal dedication to God has remained hidden in the woods for over 150 years.

Burial ground for revolutionary veterans attracts tall tales, ghost hunters, not enough historians and preservationists.

One woman’s obsession gave birth to this lovely oddity at the Boston Public Library.

The oldest working bell set in North America, the bells at Old North Church sat silent for their first four years in Massachusetts.