Here are some of the academic links I've come across during my college career.

Theology and Religious Studies:

• The Bible Gateway
• The Revised Common Lectionary
• The Crossings Community
• The Alliance of Confessing Evangelicals
• The Catholic Encyclopedia
• The Joint Declaration on the Doctrine of Justification
• The Hall of Church History

American Studies:

• The American Studies Crossroads Project

History:

• The Library of Congress
• Documenting the American South
• The Impeachment of Andrew Johnson
• Links to other History-related sites (from UIUC)

Political Science:

• The Federalist Papers
• Politics from the Washington Post
• National Review
• The Alliance for Justice