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

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

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

A six-ton wedding present for the King of the Scots.

The most loyal of little dogs, or a Victorian era publicity stunt?

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

World's largest Christmas store.

This municipal playground was co-created by the father of one of the most playful characters ever.

This remarkably simple jail went over a century without an escape.

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

The world's largest piece of copyrighted artwork.

Stolen goods adorn the organ at Old North Church.

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

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

A men’s restroom became a sandwich shop.

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

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

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

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Statue commemorating the use of ether in anesthesia.