Visit the Smithsonian National Museum of Natural History and admire the largest natural history collection in the world! Let your guide help you navigate through the over 145 million specimens on this tour. Discover an extensive collection of human artifacts, dinosaur bones, preserved plants, and animals. Go directly to the collection highlights without getting lost. Save time and energy by visiting with a guide that knows the museum well. Listen to additional commentary on exhibits. View dinosaur remains and tools used by early humans. Admire unusual gemstones and ancient mummies.