Yellowstone National Park said Wednesday it is continuing its search for lost hiker Austin King, a 22-year-old male last heard from on Tuesday, Sept. 17, when he called friends and family from the summit of Eagle Peak.

Building roads through Yellowstone is a considerable undertaking given all the thermal ground found throughout the park. Bridges, like the new span near Tower Junction, are especially challenging.

Officials say 22-year-old Austin King was last heard from on Tuesday, Sept. 17 when he called his friends and family from the summit of Eagle Peak in Wyoming.

The 60-year-old was walking with her husband and dog near a geyser when she broke through the ground into scalding waters on Monday afternoon, according to the National Park Service.

Finding dining options within Yellowstone can be challenging because the restaurants are not as numerous as you might expect, and they are often far apart. There are only a few dining spots inside the park,

Waking up to the sounds of nature, surrounded by Yellowstone's stunning beauty, is an experience like no other. There are nine lodging options within the park, which are older historic buildings. From luxurious suites to rustic cabins,

Austin King, 22, has been missing since he failed to return from a week-long solo excursion to summit Eagle Peak, the highest point in Yellowstone.