Second largest wastewater treatment plant in the country.

Ornate and macabre headstone in one of the country's oldest cemeteries.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

This Canadian island is a veritable garden of decay with countless abandoned structures dotting the landscape.

A morbid piece of memorabilia from the most famous shipwreck in current history is just one of the many poignant artifacts in this Canadian museum's collection.

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

This black shoreline is made up of exploded lava particles.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

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

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

Trash escaped from a landfill to fill beaches with all kinds of treasure.

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

Built to bless whalers before their voyages, this Massachusetts church now features a ship-shaped pulpit.

Hill-like structures formed by glaciers and sandy spits of land.

A daybeacon pyramid is about all that's left of this island that is said to have sunk due to a pirate's curse.

Each August, one of the largest religious (and food) celebrations in the country is held in Boston.

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

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

Historic Hull Street was actually the first street with a proper name in the Boston area.

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