"On the left bank of the Váh river, close to Žilina, Slovakia, you'll find the Strečno Castle on top of the limestone rock. In the past it was the safest fort in the Považie region. Today it is a well preserved ruin.
Seven Natural Wonders of the World Aerial shot of the marvelous Victoria Falls (Mosi-oa-Tunya) on the Zambezi River in Zambia/Zimbabwe, Africa. British explorer David Livingstone named the falls after the current British queen at the time, Queen Victoria.