Woodward Avenue (M-1) - Automotive Heritage Trail
Detroit Zoological Institute, MI

The Detroit Zoo is among Michigan's top attractions and one of the most visited zoos in the Nation. Opened in 1928, it was the first zoo in the United States to make extensive use of barless exhibits and the only zoo in the US with exhibits designed and built by world renowned expert Heinrich Hagenbeck. Situated on 125 acres, the zoo is a natural habitat for more than 1,500 animals and more than 700 varieties of trees, flowering plants, and shrubs.

Of the 275 different animal species, 54 are officially listed as endangered or threatened and two are extinct in the wild. Zoo features include a butterfly and hummingbird garden, the National Amphibian Conservation Center and the world's largest polar bear exhibit. The "Arctic Ring of Life" is a state-of-the-art $14.0 million exhibit that explores the relationship between arctic people and wildlife. The most unique feature is the 70 foot long clear tunnel that takes visitors underneath diving ans swimming polar bears and seals.