2. Tunnel of Love, Ukraine
One of the most beautiful tree tunnels in World can be found near the city of Klevan in Ukraine - The Tunnel of Love. This is in fact a train tunnel of trees. It's the main attraction in the area and also one of the most beautiful places in Ukraine.
During the warm months of the year the trees planted next to each other form a fairy green tunnel along one kilometer (0.6 mi) long section of the railway. Not a lot of people seem to know very much about the tunnel, or have ever heard of it at all, making it a well-kept secret.