Best way to see the Northern Lights... if only they had this in Iceland. Finland is on the list, just not at the top with Iceland.
Grand Teton National Park Wyoming USA
Tree camping in Germany I would like to try this :)
The Baatara gorge waterfall (also known as the “Cave of the Three Bridges”) in Tannourine, Lebanon. The waterfall drops 255 metres (837 ft) into the Baatara Pothole, a cave of Jurassic limestone located on the Lebanon Mountain Trail.
Puerto Vallarta July 2015: The most amazing thing I have done so far!! Marieta Islands, Mexico
hydrospeeding on the Aletsch Glacier - Valais, Switzerland
Sea Kayaking in Glacier Bay National Park, Alaska
Tree Top Walk in Ketchikan, Alaska; photo by runintherain, via Flickr