The Radar: The top travel news, stories, trends, and ideas from across the Web. Got Radar? Follow us on Twitter @NatGeoTraveler and tag your favorite travel stories from the Web #ngtradar. Check back on the blog for our roundups. Photo: Aref Mostafa Zadeh/My Shot

The varied landscapes of South Africa play host to an extraordinary variety of seasonal natural phenomena.

Towering redwoods, rugged Pacific coastline, and fern-filled canyons make this Northern California parkland one of America’s most awe-inspiring outdoor escapes.