Dinosaur fossils galore with modern animal (stuffed or otherwise preserved) displays as well. Nice presentation of fossils recovered from Grube Messel as well. Destination for school-kid tours during the week so can sometime be a little noisey but frankly well worth it. I've been several times and have always found things to delight. Attached to a major university so the escallators from the UBahn tend to run at the speed young (rather than more mature) legs and reflexes accomodate but there are steps and an elavator to help work arround that.
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