This bridge was the birthplace of a unit of measurement based on a fraternity joke.

This impressive Boston holy house is the American mecca for Christian scientists.

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

The oldest working bell set in North America, the bells at Old North Church sat silent for their first four years in Massachusetts.

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

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

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

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

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

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

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

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

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

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

One of England's most famous churches hides a pair of little known architectural treasures.

This skewed English house has looked like it's going to fall over for centuries.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

A museum marks and documents the site of the Titanic's launch.

Protecting the dead from opportunistic body snatchers.

This craggy boulder is fabled to be either a druidic relic or Satan's stumbling block.

Regency-era excess on the English Coast.

Hidden in plain sight, this creepy sculpture watches from above.