One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

An enormous, inside-out glass globe built in 1935.

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

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

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

The Boston square dedicated to the dark poet who was born nearby.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

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

A men’s restroom became a sandwich shop.

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

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

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

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

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

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

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

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

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.