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

This small shop walked so America could run on Dunkin'.

Oldest church in the United States that is still in continuous use.

Plans for this peninsula included houses, the United Nations Headquarters, and a nuclear power plant. When none of them worked out, it became an expansive park.

The site of the tragic isolation of Nipmuc Native Americans left to perish in King Philip's War.

Second largest wastewater treatment plant in the country.

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

Yo, Adrian!

The world’s first penitentiary, meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A museum and shop on Bourbon Street located in the French Quarter.

This macabre shop, filled with art, oddities, and taxidermy is hidden in the heart of the French Quarter.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

An anonymous art project beneath Longfellow Bridge where hundreds of trophies line the steel support beams.

This tower commemorates the spot where George Washington hoisted the Grand Union flag.

Eat first, shop later at this eatery within an Asian grocer.

One of America's most historic homes also holds a startling literary legacy.

This Dutch-styled residential building was originally a cocoa company's World's Fair showpiece.

One of the few remaining monuments dedicated to South Boston's Irish heritage.

These three lighthouses played a fundamental role in the maritime life of Eastham.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

This Cape Cod museum exhibits what it claims is the only authenticated pirate treasure in the world.

This building is more than 250 years old and was built in one of the first towns settled in Massachusetts.

The oldest surviving wood-frame building in North America is still in the family.