1. Harvard University, located in Cambridge, Massachusetts, is one of the oldest and most prestigious universities in the United States. It was established in 1636 and has a long history of academic excellence and innovation. The campus is known for its beautiful architecture, including historic buildings such as Widener Library and Memorial Hall.

2. The administrative offices of Harvard University are generally open Monday through Friday from 9am to 5pm. The main phone number for general inquiries is (617) 495-1000.

3. Harvard University offers tours for visitors who want to explore the campus and learn more about its history. Tickets for these tours can be purchased online in advance. The university is easily accessible by public transportation, with several bus and subway stops nearby. Additionally, there are parking facilities available for visitors who prefer to drive.