Here are some websites that I frequently visit and recommend:
A collection of literary classics freely available.
Terrence Tao's weblog
Excellent source of good Mathematics. Contains several complete courses and material on Math research.
NPR 13.7: Cosmos and Culture
A science blog I like.
Excellent open courses.
I go here to discover new music.
Cycling in Switzerland
On the fantastic experience of going around Switzerland on a bicycle.