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

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

The final resting place of New England's last "vampire."

This old cement mine has been used as everything from a mushroom farm to a recording studio.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

A historic bridge with a lovely acoustic anomaly.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

The grave of Mary Nasson is shrouded by witchy legends.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

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

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

Narrowest house in Boston.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.