TALL TALES
Only 1 percent of the Caledonian forest remains in Scotland, but these people are working to restore it.
TUCKED AWAY
These clandestine bunkers helped keep Switzerland out of WWII. Now they house everything from museums to raclette cheese.
HIGHER GROUND
Human noise in the ocean is rising and severely affecting animal life. Enter whale trails, part of an effort of whale-watching destinations to get enthusiasts to watch from shore.