The notorious headquarters of a corrupt political machine.

The most confusing clock in New York.

Red frames showcase remnants of one of New York's original subway stations.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

Overgrown ruins of a turn of the century island fort that sees very few visitors.

Hut with supplies for shipwreck survivors.

Civil War Fort on an island in the Boston Harbor.

A freighter full of exotic animals ends a harrowing voyage impaled on uncharted rocks in the Boston Harbor.

A lighthouse on a diminutive island was one of the first of its kind to guide seamen home.

This beautiful architectural gem was the first waste treatment facility in Boston.

The world's largest piece of copyrighted artwork.

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

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

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

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.

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

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

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

A men’s restroom became a sandwich shop.

Statue commemorating the use of ether in anesthesia.

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

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

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

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