Harvard University's Department of Philosophy has been a staple since 1870 and even has its own library that contains a 1644 print by Rene Descartes and early editions of works by Immanuel Kant.
The University of California-Berkeley has some of the top faculty in the field in its Department of Philosophy with professors holding doctorates from Oxford, Yale, Harvard and Stanford, plus there are more than 20 full-time professors in the department.
Princeton boasts nearly 30 faculty members serving 100 combined undergraduate and graduate students with a wide range of disciplines such as logic, metaphysics and epistemology.
University of Chicago
The University of Chicago's Philosophy Department concerns itself with contemporary philosophy, practical philosophy and analytic philosophy that has been teaching undergraduates since 1894 when the department was founded by John Dewey.
Stanford University frequently has extracurricular activities for its philosophy students such as the Kant Retreat, faculty book talks and colloquiums, which makes for a vibrant philosophy department with 35 faculty members.
Columbia University holds weekly events surrounding its Department of Philosophy, which is home to the monthly publication "The Journal of Philosophy."
New York University
New York University boasts more than 25 regular faculty members in its Department of Philosophy with quarterly conferences on topics such as research, bioethics and mind-body connections.
University of Michigan
The University of Michigan typically ranks among the top philosophy schools in the United States thanks to 30 faculty members, regular guest speakers, well-attended colloquiums and even movie nights.