Three columns of volcanic rock shoot out of the ocean.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

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

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

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

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

This landmark cemetery in Boston was created more than 300 years ago.

At 207 feet, one of the world's longest continuous escalators.

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

Rebuilt remains of a temple to Roman god Mithras.

A 60-room castle constructed by a horse-racing heir.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

An 80-year-old house built out of newspapers.

The world's brightest bioluminescent bay.

Largest Roman Catholic church in North America.

This massive redwood tree has a hole in the base big enough to drive through.

Oldest church in the United States that is still in continuous use.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The infamous Boston Mob ran rackets from an office here in the 1970s.

Stolen goods adorn the organ at Old North Church.

Shelves covered in dozens of coffee bean varieties fill this North End institution.

Haunting and beautiful trees, doomed to die.

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

Why have you never heard of the second most popular tourist site in New York?