The oldest philatelic museum in the United States.

This historic Massachusetts tavern played a critical role in the start of the American Revolution.

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

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

This location holds the truth to what truly happened that faithful night.

This stone in Lexington honors a formerly enslaved man who fought during the American Revolution.

This piece of peacetime naval wreckage memorializes the tragic sinking of the USS Maine--an event which sparked the Spanish-American war.

The monument is inscribed, "To Sagamore John and those Mystic Indians Whose Bones Lie Here”.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

This memorial garden is the final resting place of many beloved pets including that of a famous explorer.

The oldest surviving wood-frame building in North America is still in the family.

This art display in Dedham honors a local fish, and is dedicated to the volunteers who restored the canal.

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

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

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

The bears may be gone, but their old cages can still be found.

A real plaque marks the spot where a Faulknerian character committed fictional suicide.

The strikingly modern structure stands out among the brick buildings speckling the Harvard Business School's campus.

Eliot was the first missionary to produce religious text for Algonquians in their own language.

Located in a beautifully restored ice house, this museum is the result of decades of hard work and devotion to the craft of plumbing.

Once the largest public hospital for the mentally ill was also surrounded by controversy.

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

This castle constructed in 1928 was crafted from drawings of Lismore Castle in Ireland.

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