This historic patch of real estate offers a glimpse of colonial Boston.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

Millions of numbers carved in glass represent the tattoos forced upon victims.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

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

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

A mysterious stone embedded at the base of a historic Boston building.

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

A three-piece musical sculpture installed between the subway tracks at Kendall Station near MIT.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

Impossibly life-like natural history models created out of glass by a father and son.

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

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

Created by a local artist, these quirky sculptures each have their own names and personalities.

This unassuming stone commemorates a condiment factory gone up in smoke.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

The classic Christmas carol was written at this Massachusetts tavern in 1850.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.