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Whether you are into running, biking or picnicking, the Valley Forge National Historic Park has plenty of wide-open space for you to conduct your favorite activity. Once the Continental Army’s winter encampment, this site offers more than 3,600 acres filled with rolling hills, well-worn trails, nearby waterways and historical monuments, not to mention plenty of opportunities for outdoor fun.

You may need a day to explore the entire 130 miles of the Schuylkill River Trail in Southeastern Pennsylvania. Or, you may choose to conquer sections of this multipurpose recreation trail one at a time. The Schuylkill River Trail in Philadelphia runs parallel to Kelly Drive for almost 10 miles, providing a smooth surface for walking, running, cycling and rollerblading.

Revel in a romantic getaway at the luxurious Rittenhouse Hotel. This upscale hotel is one of the most prestigious in the region and offers an escape from the mundane. Choose from several packages, such as the "Honeymoon Package" and the "Indulge Weekend," which include breakfast/brunch and the options of champagne and massages at the on-site spa.

Learn about the history of medicine at the Mütter Museum. This unique museum showcases a collection of attractions like medical oddities and artifacts, wax models, antique equipment and anatomical and pathological specimens. See the 200-year-old history of modern American medicine traced out before your very eyes, as well as current breakthroughs in the field.