From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

The world's brightest bioluminescent bay.

On this Puerto Rican island, many abandoned naval ammunition bunkers sit open while a few have been padlocked by locals as personal storage.

Museum dedicated to awful artwork.

The world's largest piece of copyrighted artwork.

MIT students continue the legacy of beloved professor "Doc" Edgerton through learning by doing.

Bouncing, delightful, mechanical art at the MIT Museum.

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

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

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

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

A historic bridge with a lovely acoustic anomaly.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

The World's Largest Bull.

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

Home with Gothic windows featured in a famous painting.

A classic roadside attraction on Vermont's historic Route 5.