People walking on the ocean floor at Hopewell Rocks in New Brunswick. Bay of Fundy, Nova Scotia, Canada. Tide changes every 6 hours. High and low tide vary by 50 feet, the greatest height in the world. Photo: New Brunswick Tourism and Parks
Sable Island in the Atlantic off the coast of Nova Scotia has a thriving population of wild horses. The Sable Island horses are among the few wild horse populations that are entirely unmanaged: they are not subject to any kind of human interference.