Kalalau Trail, Na Pali Coast (Hawaii) This trail on the island of Kauai is renowned for its stunning coastal views and challenging terrain.
Bright Angel Trail, Grand Canyon National Park (Arizona) Descending from the South Rim of the Grand Canyon, this trail offers dramatic views but poses significant dangers.
Mount Washington via Huntington Ravine Trail, White Mountains (New Hampshire) Mount Washington is known for its severe and rapidly changing weather. The Huntington Ravine Trail is the most difficult route, with steep, exposed rock scrambling.
Half Dome, Yosemite National Park (California) The ascent to Half Dome involves a strenuous hike and a final 400-foot climb up steep granite using cables.
Angel’s Landing, Zion National Park (Utah) This trail features a narrow ridge with sheer drop-offs on both sides, leading to the summit with breathtaking views of Zion Canyon.
The Adler Planetarium – America's first planetarium, the Adler Planetarium offers an immersive experience in astronomy and space science.