When you think waterfalls, you might think rain forests, parrots, and tigers. Perhaps you think of Tarzan. Anyway, we're betting that you don't think of your own backyard. Surprisingly, though, Pennsylvania has many tucked away waterfalls. Read on to discover 17 of the best waterfalls in Pennsylvania.

1) Rattlesnake Falls, Barret Township

Tucked in Pinchot State Forest, Rattlesnake Falls cascades down 20 feet. It's the perfect spot to start your visit at the forest before going on a hike, having a picnic, or doing a bit of kayaking. Stop by the official website of Pinchot State Forest.

2) Glen Mills, Chester Creek

To admire a gorgeous waterfall that drops over a dam, make your way to Newlin Grist Mill Park. The park provides a picture-perfect backdrop for exploring its trails and having a picnic.

Please note: Newlin Grist Mill Park often closes due to flooding. Check the website before heading over. Here's the official website of Newlin Grist Mill Park.

3) Fall Creek, Monroe County

Fall Creek waterfall is nestled in State Game Land 38. The entire area, in fact, is brimming with small waterfalls, flowing brooks, and slides.

4) Ontelaunee Creek Tributary, Lehigh County

Ontelaunee Creek Tributary is located in Berks County. There, you will discover a hidden waterfall that tumbles into a pool of crystal clear water.

5) Horsetail, Silverthread Falls, Pike County

Delaware Water Gap National Park is home to several spectacular waterfalls, including Silverthread Falls. An extremely thin waterfall, the water tumbles down 80 feet and is particularly pretty after a heavy rainfall. Learn more on the official website of Dingman Falls Visitors Center.

6) Fallingwater, Stewart Township

Most people know Fallingwater as one of Frank Lloyd Wright's breathtaking creations. The home sits above a waterfall, making it a must visit if you love waterfalls. Tours of the home are available (advanced reservations are required), or you can explore the outside of the property. Plan your visit to Fallingwater.

7) Stairway Falls, Pike County

Stairway Falls sits in the Delaware State Forest. Follow the 2.8-mile Stairway Trail to reach the cascade. The trail is rated moderate, so be prepared for some challenging terrain. Here's the official website for the Delaware State Forest.

8) Aquetong Creek Dam, New Hope

Next time you're in New Hope, make it a point to check out the Aquetong Creek Dam. Stroll across the Aquetong Creek Bridge, which offers views of the carp swimming in the water. Start planning your visit to New Hope by visiting the Greater New Hope Chamber of Commerce.

9) Main Falls, Bushkill Falls

Bushkill Falls is home to eight waterfalls - all reachable by a fairy easy two-mile hike. You'll have to pay an entrance fee into the privately-owned park, which also features numerous other activities, including gem stone mining and mini golf. Here's the official website of Bushkill Falls.

10) Ridley Creek State Park, Sycamore Mills, Dam 11

Carve out plenty of time to explore Ridley Creek State Park, which is home to dam 11, a sensational cascade. While you're at the park, embark on one of the hiking trails; go horseback riding, or enjoy some wildlife watching. Stop by the official website of Ridley Creek State Park.

11) Slateford Creek

Lace up those hiking shoes for your journey to Slateford Creek Falls, which features both lower and upper falls. At just over a half of a mile, the Slateford Creek Falls Trail leads to the lower falls. The upper falls are just .01-mile further. Find a map of the trail at All Trails.

12) Angel Falls, Falls Run in Loyalsock State Forest, Sullivan County

Angel Falls is certainly worth the three-mile trail you'll have to hike to get to it. Be prepared for somewhat of a challenge along the moderately rated hiking trail that really doesn't get too busy. Make sure you stay on the trail. Check out the trail map for Angel Falls Trail on All Trails.

13) Wild Creek Falls, Beltzville State Park, Carbon County

Beltzville State Park lays claim to Wild Creek Falls, a gorgeous waterfall that is sure to take your breath away. The popular state park offers a full menu of activities - hiking, picnicking, swimming in the summer, mountain biking, and boating. Here's the official website of Beltzville State Park.

14) Savantine Falls, Delaware State Forest, Pike County

Tucked in the Delaware State Forest, you'll find Savantine Falls, a small but gorgeous waterfall. Learn more about Delaware State Forest.

15) Paint Falls, near Windber

Snuggled in the town of Paint, Paint Falls is well worth a visit, especially if you're already in the area. The waterfall stands at just 15 feet, and it offers a picture-perfect backdrop for photos.

16) Jonathan's Run Falls, Ohiopyle State Park

You can reach Jonathan Run Falls in Ohiopyle State Park by following the Youghiogheny River Trail. The trail clocks in at just under four miles, but you'll be treated to jaw-dropping beauty along the way. Your best bet is to visit after a rainfall when the waterfall is at its strongest. Find a map of the trail at All Trails.

17) Cucumber Falls, Ohiopyle State Park

Cucumber Falls is an easy waterfall to reach. It's nestled in Ohiopyle State Park. Just look for the sign announcing you've arrived at the waterfall. Park in the small parking lot where you can see the top of the waterfall. To reach the base of Cucumber Falls, walk down a set of wooden stairs. You can even walk behind the popular waterfall. Check out the official website of Ohiopyle State Park.

Do you agree that these are 17 of the best waterfalls in Pennsylvania? What others would you add to the list? Let us know in the comments! For an epic road trip, hit the highway on the ultimate waterfalls road trip in Pennsylvania.