Located in the mountainous Russian region of Siberia, Lake Baikal presents the true peace of wondrous natural beauty: beginning with the hiking paths called the Great Baikal Trail that circle the lake, the astounding wildlife and culminating with dog sledding — which is ever so popular among tourists.
This video shows what it's like to ice-skate on the lake: the ice is so crystal clear, that you can see every bit of the bottom.