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The Ghosts of Gettysburg's Devil's Den

history.howstuffworks.com/american-civil-war/devils-den.htm

HowStuffWorks looks at Devil's Den, Gettysburg, Pennsylvania and examines stories about its ghosts.

Fallingwater Is Considered Frank Lloyd Wright's Masterpiece. Here's Why

science.howstuffworks.com/engineering/architecture/fallingwater.htm

Set over Bear Run, a tributary of the Youghiogheny River in the mountains of southwestern Pennsylvania, Fallingwater is perhaps the architect's best-known work.

Centralia, Pennsylvania: The Ghost Town Atop an Inferno

science.howstuffworks.com/nature/natural-disasters/centralia.htm

The fire under the tiny town of Centralia, Pennsylvania, has been burning since at least 1962 and, to this day, nobody knows how to put it out.

Could gene therapy cure baldness?

science.howstuffworks.com/life/genetic/baldness-gene.htm

Hair loss affects millions of Americans -- men, women and even children. That's why a recent gene therapy study from a research group at the University of Pennsylvania has many people excited.

How the Mason-Dixon Line Became the Divider Between the North and the South

history.howstuffworks.com/historical-events/mason-dixon-line.htm

The Mason-Dixon Line has ties to slavery, which often overshadows its otherwise fascinating story as one of the most significant surveying achievements in North America.

10 Totally Twisted Pretzel Facts

recipes.howstuffworks.com/pretzel-facts.htm

In the 1,400 years since the pretzel was invented, bakers have come up with a wide variety of shapes and flavors. Read this article of pretzel facts.

Can You Identify the State by Its Baseball Team?

play.howstuffworks.com/quiz/can-you-identify-the-state-its-baseball-team

We all love our major league baseball teams. And many of us are loyal to a team because it's the team of our home state. Can you identify which team belongs to which state?

Can You Guess the State From a List of Its Neighbors?

play.howstuffworks.com/quiz/can-you-guess-the-state-from-a-list-of-its-neighbors

We're sending you on a Mapquest in this quiz! Do you know which state borders only one other? What about a state with no neighbors? (They're kind of a loner.) Two are extra neighborly, sharing a border with eight other states! Have you got what it takes to name them all? Let's see!

The Voracious Spotted Lanternfly Is Invading the Eastern U.S.

animals.howstuffworks.com/insects/spotted-lanternfly-news.htm

The invasive spotted lanternfly is spreading across the Eastern U.S. Here's what you need to know about this voracious pest.

The Benjamin Franklin Quiz

play.howstuffworks.com/quiz/benjamin-franklin-quiz

Inventor, statesman, writer and notorious prankster Benjamin Franklin is often called "the first American" for his myriad contributions to life in the early United States. Can you ace our quiz on Ben?

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