In Krapina, near Zagreb, professor Dragutin Gorjanovic Kramberger discovered the richest collection of remains of Neanderthal people in the world.
Interesting links
http://www.washington.edu/news/2010/05/20/neandertal-genome-sequencing-reveals-new-clues-on-human-specific-gene-changes/
http://www.ice-age-europe.eu/visit-us/network-members/krapina-neanderthal-museum.html