Most Momentous Building : Both the Declaration of Independence and the Constitution were debated and drafted in Independence Hall , where you can almost picture the visionary leaders coming together to create history.
Most Iconic Philadelphia Landmark : The Liberty Bell  is the image most commonly associated with the City of Brotherly Love and the United States’ independence from England. At the Liberty Bell Center you’ll learn more about its history and the many other freedom movements that claim the bell as their symbol.
Most Modern Old City Attraction : Offering a refreshing and fascinating contrast to the many historic buildings, the world-class National Constitution Center  delights with its high-tech interactive exhibits highlighting the history and meaning of the U.S. Constitution.
Most Beautiful Office Building : Philadelphia’s City Hall  is the largest municipal building in the nation and arguably the most breathtaking. This impressive work of architecture is crowned by a 37-foot-tall William Penn — the largest statue atop any building in the world.
Most Secretive Sight : A tour of the Masonic Temple  reveals a lot about the magnificent building, and even a little about the oldest, most mysterious fraternal order in the world — the masons. The building is considered one of the three most impressive Masonic temples in the world.
Most Historic Market : Where else but the Reading Terminal Market  can you eat delicious international fare and shop for unique goods in a former railroad station more than 100 years old? Go hungry: The smells are simply irresistible.
Best Art Museum  — Inside and Out: Before entering the world-renowned Philadelphia Museum of Art , be sure to take in the stunning Greek-revival building — and stand at the top of the “Rocky steps” to survey the city.
Coolest Cemetery : If wandering around a cemetery isn’t your idea of a good time, then clearly you’ve never visited Laurel Hill Cemetery . The centuries-old architecture and beautiful view of the Schuylkill River from the raised, sprawling grounds make it a worthwhile stop. On a tour, you’ll learn about the fascinating lives — and deaths — of many of Philadelphia’s earliest residents.
Best Place to See Animals and Get High : The Philadelphia Zoo  is home to more than 2,000 animal species. While it is the nation’s oldest zoo, it is regularly updated with all-new, cutting-edge attractions, including the Zooballoon, a hot air balloon that rises high above the city offering breathtaking views of the skyline, the Schuylkill River, and Fairmount Park.