Lake Champlain Causeway in South Hero, Vermont

Run the Island Line Trail to its northernmost section and you'll find the geological marvel that is the Colchester Causeway: a three mile-long land bridge delivering pedestrians and cyclists to South Hero Island. On this path, you'll be able to see Lake Champlain only a few feet from you on either side, with breathtaking views of Stave, Sunset, and Law Islands to the west. This land bridge was originally built by the Rutland-Canadian Railroad for trains to bring passengers northward through the Champlain Islands to Montreal, but after service ended in 1961, the city repurposed it for public...