Philadelphia, Pennsylvania is the perfect destination for tourists looking for an urban escape with some history. In fact, 39.7 million people visited Greater Philadelphia in 2014.The fifth most populated city in the U.S., Philly is home to over 6.1 million people. The city is a mix of old and new- the oldest residential street in the nation is in Philly’s Old City, while the skyline includes the nation’s first modern skyscraper. Home to many historic sites like Independence Hall and the Liberty Bell, tourists can spend days learning about the past. Located at the intersection of the Delaware and Schuylkill Rivers, the city has hot, muggy summers and mild springs and falls. The most popular months to travel are May and September.