The infamous Boston Mob ran rackets from an office here in the 1970s.

Historic Hull Street was actually the first street with a proper name in the Boston area.

This memorial honors those who served on Gallops Island Radio Training Station during the second World War.

This historic cemetery is filled with markers that look more like candy than was likely intended.

The proud hometown of an American legend has honored their favorite son with what seems to be a gravestone.

A recreated sign from the movie Jumanji has become a makeshift tribute to the film's late star.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.

One man's psychedelic fence is painted with his cacophonous folk art musings on the world.

Civil War Fort on an island in the Boston Harbor.

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

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

The world's largest piece of copyrighted artwork.

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.

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

Last church of this militaristic WWII style.

Trash escaped from a landfill to fill beaches with all kinds of treasure.

A daybeacon pyramid is about all that's left of this island that is said to have sunk due to a pirate's curse.

Hill-like structures formed by glaciers and sandy spits of land.

Solar powered Spectacle Island features all-green facilities.

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.