Gibraltar is a British colony occupying 2.25 square miles on the southern tip of the Iberian Peninsula, sharing a border with Spain.
With over 300 pages, and more than 1000 photographs, Discover Gibraltar is the biggest of today's websites.
This official tourism site has a number of sections of interest to students: History & Politics, Barbary Apes, and Nature & Wildlife.
Even if you do not need a land tour because your only mode of travel is the Internet, this Gibraltar tour company has some nice pages about the most popular sites in Gibraltar.