Tunnel of Love, Ukraine This tunnel is actually still used today — trains chug through it three times a day to deliver wood to a factory. It's believed that if couples who are truly in love hold hands and cross the tunnel, their wishes will come true.
Walk the jungle tree tops in Costa Rica. Arenal Hanging Bridges, Costa Rica - A three kilometer hike through the Costa Rican rain forest. There are six suspension bridges, with the largest one at just under 100 meters long and 45 meters off the ground.