Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

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

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

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

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

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.