Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The site of Paul Revere's historic two lantern warning.

The massive machine creates cracking displays of indoor lightning.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

An eccentric inventor's castle home with its own indoor weather system.

Two thousand artifacts from around the world collected by one woman who loved to travel.

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

Memorial to one of the most fatal fires in both circus and U.S. 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.

Lucha Libre (Mexican Wrestling) themed taco shop.

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

A steampunk wonderland that preserves America's history of industrial innovation.

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

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