Pennslyvania Department of Conservation and Natural Resources

PA Internet News Service

Pennsylvania officials are urging state residents to do all they can to prevent tick bites, especially in light of Pennsylvania’s history with Lyme disease.

In fact, the disease is so prevalent in Pennsylvania that the state dedicated a task force to combat tick-borne illnesses in 2014.

Gene J. Puskar / AP

Pittsburghers have long been fascinated with the mysterious, underground “fourth river.” As much as they gush about the three visible rivers, they’re often eager to tell you about the secret waterway beneath the Golden Triangle.