Dedicated to one of the darkest moments in Irish history, this memorial has faced its fair share of backlash.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

The headquarters in Salem doubles as an occult art gallery.

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

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

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

A men’s restroom became a sandwich shop.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

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

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

This simple, broken column marks the final resting place of one of America's most famous explorers.

The alley connecting two of country music’s most historic venues has a rich history of its own.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

This replica of the Greek structure is in the heart of Nashville.

More than five miles of underground passageways.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

Once one of the largest producers of pig iron in the world.