Did you know that there are more than 200 breeds of horses living today? Explore amazing facts about horse breeds. Find out about their colors, body types, the different jobs they do, and where in the world they come from.

Do you dream of a career studying horses? If so, you'll want to meet Sandra Olsen, a zooarchaeologist who has been learning about how humans domesticated wild horses.

How much do you really know about horses? Test your equine knowledge with this interactive quiz. Don't worry, there's no grading—just a helpful look at the answers when you're done!

How many hooves of a trotting horse leave the ground at the same time? What about a walking horse or a galloping horse? Find out by making these photographic flipbooks.

Throughout time, people have dressed horses in different ways—sometimes for practical reasons, other times to reflect status or wealth. Explore the styles of horse dress from six world cultures.

Wild takhi horses, which once roamed freely across Asia and Europe, were extinct by the late 1960s. Learn how two international programs have brought these free-roaming herds back to Mongolia.

Why send an email when you can deliver your message on horseback. Add your name and address—and anything else you want to—to these colorful stationery files.

The next time you eat a tomato, ask yourself: What would it taste like if there were a bit of flounder in it? Learn how scientists are using genetics to change the food you eat.

Think of a cladogram as the ultimate family tree. On it, you can see how all living things are related, including the single ancestor they all share. Learn more about Earth's Tree of Life.

Get a hands-on look at the evolution of a species and the growth of a dominant coloration pattern with this activity designed to complement the museum's Hall of Ocean Life.

Conventional wisdom says that evolution is gradual and constant. However, the fossil record indicates otherwise. See how Dr. Niles Eldredge has refined ideas about the evolutionary process.

Investigate circular and 3D cladograms to see how scientists keep track of species and their evolutionary relationships.

This collection of artifacts from the continent of Africa was started in 1869, the same year the museum opened. Today, it contains more than 38,000 objects that you can view online.

Search our collection of more than 58,000 Asian artifacts to find everything from abacuses to zithers. Even if an object is not currently on display, you can see it online anytime.

Every Native American cultural region in North America is represented in this artifact collection, making it an irreplaceable national treasure. Browse the more than 50,000 artifacts online.

From a ride on the famed Pony Express to a pop-up guide for young equestrians, these kid-friendly titles bring to life the enduring relationship between humans and horses.

From detailed examinations of how the horse shaped human civilization to the heartbreaking story of Barbaro and his jockey, learn more about equine history.

Continue exploring the enduring bond between horses and humans with this collection of Web sites.