3. Plitvicer Seen, Croatia

What you see here are 16 Plitvice Lakes arranged in steps, linked by waterfalls. They can be explored by walkways (as pictured) or by boat.
4. Zangye Danxia, China

How wonderful are these sandstone landforms of Zangye Danxia? They come in colorful formations, each layer revealing thousands upon millions of years of history and prehistory.