On a rainy afternoon in Tahiti, one of the best things to do is to visit the Museum of Tahiti and Her Islands. This museum offers a fascinating insight into the rich cultural heritage of the Polynesian islands. You can explore exhibits showcasing traditional artifacts, learn about the history of Tahiti, and admire beautiful artworks. The museum also has a botanical garden where you can take a leisurely stroll and enjoy the lush tropical flora. It's a perfect way to spend a rainy afternoon while immersing yourself in the vibrant culture of Tahiti.