1) Causeway in Europe 
Väinatamm is the name of the largest causeway in Estonia. The causeway, opened in 1896, connects the island of Muhu, located between Saaremaa and the continent, with Saaremaa. Construction of the causeway cut the sea crossing between the continent and Saaremaa by about half, and transit time even further. In 1917, the causeway was the site of hea...