A quiet spot commemorating two naturalists who had to choose between love and the university at which they both taught.

Stumps of an Ice Age forest, visible only at low tide.

One of 100 “Whaling Wall" murals painted in 13 different countries by a renowned marine life artist.

Final resting place of the two women killed on a small island off the coast of New Hampshire.

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

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

This parking garage was the site of what was - at the time - the largest cash robbery in history.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

Statue commemorating the use of ether in anesthesia.

Welcome sign announcing Haverhill, MA, as the birthplace of horror rocker/artist/director Rob Zombie.

Around 160 years ago, this spot marked the location of a wharf along the shores of the Charles River.

America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

Radical Bookstore and Community Space.

The macabre graffiti spectacle in a quarry in a Massachusetts forest reservation.

One of the now-less-hidden floral gems of the "Emerald Necklace."

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

This hotel was the site of major events in sports and radio history. It was also used as a detention center during World War II.

This Dutch-styled residential building was originally a cocoa company's World's Fair showpiece.

This memorial garden is the final resting place of many beloved pets including that of a famous explorer.

The 1920s child prodigy author was last seen here at her Brookline home before vanishing at age 25.

A tiny monument to the classic American candy.

Whimsical cookie-themed plaques mark the birthplace of the Fig Newton.

This tower commemorates the spot where George Washington hoisted the Grand Union flag.

Eat first, shop later at this eatery within an Asian grocer.