Blyde River Canyon is Mpumalanga, South Africa. It is a 26 km long, 2500 deep canyon covered with vegetation, making it the largest green canyon in the world. Read more: AfricVilla: Today's photo: Blyde River Canyon, South Africa
Hike the Haiku Stairs in Oahu, — also known as "The Stairway to Heaven" — a steep trail with a wooden ladder spiked into the side of a cliff. Technically it's not open for public use, but people still climb it, and rave about the views from the top.
Clamber through Jiuzhaigou Valley, a remote region of northern Sichuan, China that stretches over acres. It’s best known for its Tibetan villages and multi-level waterfalls with colorful lakes that let you see perfectly to the bottom.
SCUBA diving in the National Marine Park of Cancún, Isla Mujeres, and Punta Nizuc as part of a major artwork called "The Silent Evolution." The installation is the first endeavor of a new underwater museum called MUSA, or Museo Subacuático de Arte.
Ice caves on Apostle Islands, Bayfield, Wisconsin, USA. The Apostle Island National Lakeshore is a U. national lakeshore consisting of 21 islands and shoreline on the northern tip of Wisconsin on the shore of Lake Superior.