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

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

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

This landmark cemetery in Boston was created more than 300 years ago.

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

The massive machine creates cracking displays of indoor lightning.

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

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

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

Two thousand artifacts from around the world collected by one woman who loved to travel.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

France's national museum of scientific and industrial instruments.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

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

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

Northern Ireland's Brobdingnagian stepping stones.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The enchanting archway is the only surviving portal into Dublin’s lost medieval wall.