If you want to visit a glacier before it's too late, here are some that I recommend: 

Argentina: Los Glaciares National Park

Austria: Pasterze Glacier

Canada: Columbia Icefield (including the Athabasca Glacier), Alberta

Chile: Bernardo O'Higgins National Park (including Pio XI Glacier)

Torres del Paine National Park (including Grey Glacier)

Ecuador: Cotopaxi Glacier

France: Mer de Glace and Les Bossons Glacier (and others)

Germany: Zugspitze Glacier

Iceland: Vatnajökull Glacier

New Zealand: Fox Glacier and Franz Josef Glacier

Norway: Jostedalsbreen National Park and Glacier

Switzerland: Glacier Express (train from St. Moritz to Zermatt)

Rhône Glacier

United States: Carbon Glacier, Washington

Glacier Bay National Park, Alaska  

Glacier National Park, Montana  

Mendenhall Glacier, Alaska

Palmer Glacier, Oregon

St. Mary’s Glacier, Colorado  

[TEACHERS & LIBRARIANS: For information about scheduling a visit with author James M. Deem, click here.]

If you have any information you'd like to add, please contact me.