The world's second-largest sundial, made entirely out of stone.

A palatial sculpture park was built illegally and in secret by a self-taught artist over 36 years.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

A solemn reminder of the infamous World War II war crime that massacred almost all the men in a small Greek town.

The hallucinogenic center of the ancient world.

A dedication plaque on this Boston tunnel is a microcosm of a massive, controversy-laden construction project.

A beacon atop a downtown building provides Bostonians with weather forecasts and baseball news.

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

A plaque memorializes the Boston location of one of the largest nightclub fires in history.

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.

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

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

Ice cream stand, snack bar, and time capsule of milk conveyance.

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

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

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.

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

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

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.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.