Montenegro is home to a mysterious island in the Adriatic Sea, known as "Gospa od Ċ krpjela" (Our Lady of the Rocks), which is entirely man-made.
Estonia is home to one of the most unusual museums in the worldâthe Museum of Vodka, dedicated to the history and culture of this iconic alcoholic beverage.
Estonia is home to the world's first nationwide online voting system, allowing its citizens to cast their ballots from anywhere in the world with internet access.