Lickskillet Road (Boulder County Road 89) is said to be the steepest county road in America, with an average gradient of 14.2% (and grades up to around 18%) over just about 1 mile on a well-graded dirt road.  The top of the road is at the town of Gold Hill, at 8286' elevation.  The FKT route is 1.0 miles between the south side of the lowest driveway (just off Lefthand Canyon Drive) and the stop sign at the top.  It can be done as an uphill slog or a quad-busting downhill.  There are Strava segments

Sebastian Westberg submitted the route:

Roslagsleden (Roslags Trail) is a 190 km long hiking trail in Stockholm County, Sweden.

Vojtech Boril submitted the route:

„CHKO Žďárské vrchy“ is one of the most prominent protected nature zones in the Czech republic, whose rock formations, forest remains and rare species of moorland plants combine to make it one of the jewels in the region’s crown.

Robert Rives submitted the route:

Grand Isle, also known as South Hero Island (or "Apple Island" due to an abundance of orchards), is the largest island in Lake Champlain (VT/NY) with a total area of 31 square miles. The very popular Green Mountain Marathon takes place along the western shore of the island, using a C-shaped out-and-back route.