Then there’s Portage Glacier. The glacier has receded out of view from the visitor center, but in the summer there’s a daily cruise and a pull-off where you can see the glacier from the road.

For same-day ticket sales, purchase on site at the Portage Glacier Cafe in Girdwood; see graylinealaska.com for details.) For those with more time, the 26 Glacier Tour run by Phillips Cruises ...

Back outside, the best way to see the glacier's face is aboard one hour-long guided cruises that'll take you across Portage Lake and offer unmatched views all nearby ice giants. Meanwhile ...