Fun doesn't have to cost a fortune. Pennsylvanians are pretty lucky, in fact, to have so many state parks, the Allegheny National Forest, and other attractions that cost absolutely nothing to visit. Next time you're looking for something to do that won't break the bank, check out these 10 free things to do in Pennsylvania.

1. Herr's Snack Factory Tour – 271 Old Baltimore Pike, Nottingham, PA 19362

Discover the delicious secrets behind the making off Herr's snack products, including their famous potato chips, when you set off on a free factory tour. Prior to your hour-long tour, you'll watch a video that provides a snapshot of the Pennsylvania company's history.

2. John Heinz National Wildlife Refuge – 8601 Lindbergh Boulevard, Philadelphia, PA 19153

Only a mile from Philadelphia International Airport, John Heinz National Wildlife Refuge provides a spectacular view of the city skyline and the opportunity to enjoy an unparalleled view of local wildlife, birds, and nature. Family-friendly walking tours and educational programs are held all year around.

3. Allegheny Observatory – 159 Riverview Avenue, Pittsburgh, PA 15214

Get a pristine view of the night sky, preceded by an observatory tour, at Allegheny Observatory, a research laboratory with the University of Pittsburgh. Free tours are held once a week from April through the end of October.

4. Mr. Ed's Elephant Museum – 6019 Chambersburg Road, Orrtanna, PA 17353

Lose yourself among the elephant figurines – big, small, short, and tall – at Mr. Ed's Elephant Museum. After you've meandered through the collection of more than 12,000 elephants, stroll through the outdoor gardens that feature more elephants and the Seven Dwarfs. Mr. Ed's Elephant Museum sells homemade fudge, roasted peanuts, and old-fashioned candy, including candy buttons, flying saucers, and pop rocks.

5. Little League World Series – Williamsport, PA

Plan ahead for next summer because the Little League World Series is one annual Pennsylvania event you don't want to miss and – it's free! Williamsport hosts the Little League World Series every August. Fans, who arrive early enough, can grab a free seat in the stadium or plop their favorite beach blanket or lawn chair on the lawn and enjoy a bird's eye view of the popular sporting event.

6. Hershey's Chocolate World – 251 Park Boulevard, Hershey, PA 17033

Join other chocolate lovers on the free chocolate tour – where you'll learn just how Hershey's chocolate candy is made – of Hershey's Chocolate World. Perhaps even better? You'll receive a free chocolate sample at the end of the tour. The popular attraction also has several fee-based activities, including create your own candy bar and a chocolate tasting experience.

7. Gobbler's Knob – 1548 Woodland Avenue, Punxsutawney, PA 15767

Every Pennsylvanian should really visit Gobbler's Knob, the home of the lovable Punxsutawney Phil, at least once. Join in the Groundhog Day festivities and catch a glimpse of Phil. Or, if crowds aren't your thing, stop by Phil's Burrow at the Punxsutawney Memorial Library.

8. Elk Country Visitor Center – 134 Homestead Drive, Benezette, PA 15821

Go elk watching in Benezette. Elk Country Visitor Center offers free educational programs and tips on how to best view the elk. Embark on one of the three trails, all of which feature viewing areas, to get the best views of the elk all year around.

9. Straub Brewery Tour – 303 Sorg Street, St. Marys, PA 15857

Straub Brewery welcomes visitors (21 and older) to tour its brewery. The free one hour tour, which allows photography, requires visitors to climb stairs. Advanced reservations are recommended to ensure you get a space on the tour.

10. The Liberty Bell Center – 6th St & Market St, Philadelphia, PA 19106

Pennsylvania's teeming with history. Add the Liberty Bell Center to your bucket list of free things to do. Explore exhibits and watch an introductory film before getting a close-up look at the Liberty Bell itself.

Start ticking these 10 free things to do in Pennsylvania off of your bucket list. And, if you're looking for a once-in-a-lifetime experience, visit these Pennsylvania spots.