you could go to the Muséum National D'Histoire Naturelle in Paris (France), Koninklijk Belgisch Instituut voor Natuurwetenschappen in Brussel (Belgium), and I have been to Naturalis in Leiden, Natuurhistorisch Museum Maastricht both in the Netherlands. Maastricht is more about Mosasaurs. there is also The Natuurhistorisch Museum Rotterdam, both that didn't have much fossils, and De Groene Poort in Boxtel is supposed to have a big collection, but i have never been there yet. both are also in the Netherlands. In Germany the Staatliches Museum für Naturkunde in Stuttgart seems to be another nice msueum. all in al there are so much good fossil museums in Europe, you could be here for a whole year and not having seen al of them.