Utopia and nostalgia mingle at the site of Bronson Alcott's ill-fated agrarian commune.

The world's largest collection of historic U.S. military naval vessels.

This beautiful architectural gem was the first waste treatment facility in Boston.

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

Once the largest gravity dam in the world.

A series of murals depict the evolution of plant life from the Precambrian to the modern day.

The story behind this beloved toy—named for Theodore Roosevelt and owned by his grandson—is more complicated than you might guess.

Coins and medals straight from the mint await visitors to this shop in the nation's capital.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

The "lovely red Vega" of the legendary record-settling pilot.

Home to items never before seen by the public.

This kitsch eatery is chock-a-block with bric-a-brac.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

An ode to Japanese artist Hokusai, with a bit of a comical twist.

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

The only remaining place where you can play this century-old game for cash.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

The largest living museum in the Northeast recreates life from the Early Republic period complete with costumed historians and reenactors.

Wander the sprawling living museum on the site of one of a 16th-century community.

This Tudor-style mansion is home to the first roadside confectioner in the United States.

This general store near Boston was once owned by Henry Ford, who had it relocated to a different town using a team of oxen.