The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

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

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

The site of Paul Revere's historic two lantern warning.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

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

The summit Roosevelt conquered before he descended to become The Chief.

New York's southernmost subway station is whimsically wavy.

A giant roll of mints marks the birthplace of one of America's most famous candy brands.

Dozens of houses in the Adirondack Mountains are reminders of a literal "cottage industry" to cure people of a deadly disease.

What remains of the simple red brick chapel where the women's rights movement began.

The first piece of public art dedicated to LGBT rights.

A historic recreation of the golden age of the Erie Canal, abandoned for some time, slowly being restored.

This oversize piece of novelty cookware once cooked the largest pancake in the world.

This statue commemorates the meeting of the most influential minds of the women’s rights movement.

Manhattan and the Bronx have been playing tug-of-war over this former island neighborhood for more than a century.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

This forlorn park is the result of a failed investment turned tax dodge.

Red frames showcase remnants of one of New York's original subway stations.

A millionaire's abandoned swimming pool from the gilded age of one of America's most distinguished families.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

An eccentric playboy's astounding natural history collection.

A formerly abandoned mental institute, now back in business.

The 28-foot granite map plots the locations of 40 theaters in New York City.