Juneau's most famous sight, a glacier you can walk right up to. As you arrive, a GPS-triggered audio story plays automatically through your phone, covering the ice's dramatic retreat, the lake it carved, John Muir's 1879 visit, and the rock flour that turns the water that milky blue. Hands-free, at your own pace, fully offline.

A short walk leads to Nugget Falls, where water plunges hundreds of feet beside the face of Mendenhall Glacier. GPS-triggered audio plays as you reach the falls, telling the story of the glacier's retreat, the icebergs on the lake, and the Arctic terns overhead. No guide, no schedule — just press play and walk.

Trailhead hub for two of the pack's walks: the Trail of Time (9 stops — stand exactly where the ice reached in 1937) and the East Glacier Loop (16 stops — find the tunnel the Treadwell Mining Company blasted through solid granite).

A short loop near Mendenhall where, from July to October, black bears fish for salmon and eagles gather overhead. GPS-triggered audio plays as you walk, explaining the salmon run and the food web in motion. Explore at your own pace.