Bundle up and watch a winter waterfall in Michigan's Upper Peninsula.
Watch a Great Lakes freighter move through the Soo Locks between Lake Superior and Lake Huron.
Hike away from the beaten path to find a secluded six-foot waterfall in a vast Ohio forest.
Watch morning boat traffic on Sydney Harbour from beneath the famous Sydney Harbour Bridge.
A trip from the Cusco railway to the great ruins of the Inca Empire.
Join the local shipwatchers for an up-close look at a freighter passing through the Welland Canal.
Bundle up for a chilly hike across the snowy slopes of Colorado.