Maya Decipherment is a weblog devoted to ideas and developments in ancient Maya epigraphy and related fields. (via)
The most mysterious manuscript in the world. The Voynich Manuscript is 235 page manuscript written in a cipher that has yet to be decoded. The manuscript includes many images. Almost all pages of the manuscript are available online. There have also been several books (1,2)written claiming to solve the manuscript. You can also follow the modern day progress of deciphering the Voynich manuscript.