If you've ever seen an engraving by ornithologist John James Audubon, you'll understand why his name is synonymous with birds. See his works in this three-story house, which was built in the 1840s for Captain John Geiger and filled with period furniture. It now commemorates Audubon's 1832 stop in Key West while he was traveling through Florida to study birds. After an introduction by a docent, you can do a self-guided tour of the house and gardens (or just the gardens).
An art gallery sells lithographs of the artist's famed portraits.