Nebraska
Difficult
Frenchman Creek Fossil Canyon Route
Fossil-rich canyon technical with flash flood risk
Trail Type: Technical 4x4
Nebraska
Difficult
Keya Paha River Breaks Trail
Badlands terrain along Nebraska's northern border
Nebraska
Difficult
Ponca Creek Fossil Beds Trail
Fossil hunting in 30-million-year-old Oligocene badlands
Nebraska
Difficult
Snake River Canyon Fossil Trail
Fossil hunting in Nebraska's hidden badlands canyon
Nebraska
Difficult
Indian Cave Bluff Trail
Limestone bluffs meet Missouri River history
Nebraska
Expert
Cherry County Sandhills Ghost Ranch Trail
Deep sand ghost ranch hunting in the Sandhills
Nebraska
Difficult
Fort Robinson Backcountry Military Road
Crazy Horse's surrender route through Pine Ridge
Nebraska
Difficult
Missouri River Breaks Trail
Wild Missouri's technical challenge.
Hawaii
Difficult
Pepeekeo Scenic Drive Four Mile Extension
Jungle track to forgotten plantation ruins
Hawaii
Difficult
Kauai North Shore Backway
Technical route to Na Pali's forbidden coast