Here you have a post with different useful links.

USEFUL LINKS

- Newspapers and magazines:

http://www.englisharea.com/indice/prensa.htm

- Radio stations and TV:

http://www.bbc.co.uk/radio/
http://edition.cnn.com

- Dictionaries:

http://www.wordreference.com/
http://www.diccionarios.com/
http://dictionary.cambridge.org/

- Encyclopedias

http://www.encyclopedia.com/
http://en.wikipedia.org/wiki/Main_Page
http://www.freesearching.com/encyclopedia.htm