Bouncing, delightful, mechanical art at the MIT Museum.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

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

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

An elaborate, hidden model train in the Needham Town Forest.

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

Memorial to a beloved puppeteer as well as all street performers.

Three prestigious academic collections come together to create a world-class natural history museum.

Impossibly life-like natural history models created out of glass by a father and son.

This is the house that spite built.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

The self-proclaimed world's smallest museum, located next to a Massachusetts sandwich chain.