5Mainau Island, Germany

Mainau Island, also known as “The Flower Island,” is a beautiful small island located on Lake Constance, on the border of Germany and Switzerland. The island is home to a variety of gardens, flowers, and trees, drawing thousands of visitors every year. In addition to the stunning displays of flowers, visitors can enjoy various attractions such as a butterfly house, a petting zoo, and a treetop walk. The island also offers a range of dining options, including cafes and restaurants serving local cuisine and fresh seafood.