PHILADELPHIA - Visiting the Liberty Bell Center in Philadelphia is a must if you plan a city trip. This free museum features exhibits and the iconic Liberty Bell. The building is located at 526 Market Street and can be accessed from Market Street or Chestnut Street. Visiting the Liberty Bell Center requires a security screening and is free of charge. The line to enter the building begins during the summer early.

PHILADELPHIA - Whether you are a history buff or simply interested in Philadelphia's past, you'll enjoy exploring Eastern State Penitentiary, also known as the ESP. Located on 2027 Fairmount Avenue between Corinthian Avenue and North 22nd Street, this penitentiary operated from 1829 until 1971. The ESP was one of the oldest correctional institutions in the country. Plus is said to be one of Philadelphia's Most Haunted Places.

PHILADELPHIA - Located just west of Center City, Philadelphia is a great place to experience the history of this city. The Reading Terminal Market has been around since 1893. In fact, it was founded underneath the old Philadelphia and Reading Railroad Company terminal. It was renowned for offering free delivery service to railroad customers outside Philadelphia. As a result of the influx of railroad customers, the market thrived. In fact, it thrived throughout the Great Depression.

PHILADELPHIA - You may wonder where to begin when exploring the Comcast building in Philadelphia. The Comcast Center's 45th floor was transformed into a condominium for Comcast CEO Brian Roberts. The lower two levels have been converted into retail spaces. The top-floor restaurant remains unchanged, except for some interior design changes. For more information on the building and its surroundings, visit comcast.com/philadelphia.