Crowfoot Glacier at the Icefields Parkway in Banff National Park, Rocky Mountains, Alberta, Canada

Crowfoot Glacier at the Icefields Parkway in Banff National Park, Rocky Mountains, Alberta, Canada

Emerald Lake in Yoho National Park, Rocky Mountains, Alberta, Canada

Emerald Lake in Yoho National Park, Rocky Mountains, Alberta, Canada

Emerald Lake in Yoho National Park, Rocky Mountains, Alberta, Canada

Emerald Lake in Yoho National Park, Rocky Mountains, Alberta, Canada

Yoho National Park, Rocky Mountains, British Columbia, Canada

Cathedral Mountain in Yoho National Park, Rocky Mountains, British Columbia, Canada