The Wayback Machine

The Internet Archive Wayback Machine:

Surf the web as it was

The Internet Archive Wayback Machine puts the history of the World Wide Web at your fingertips. The Archive contains over 100 terabytes and 10 billion web pages archived from 1996 to the present.

To start using the Wayback Machine to surf the web as it was, just type a URL (a web site address) into the box above, click the Take Me Back button, and start exploring the past.

The site also has special collections like this one on September 11th.