From grizzlies to falling rocks to maze-like canyons, you'll want to come prepared for these tricky trips.
Heading out on one of these hikes? Keep an eye on the forecast.
Be careful of the local fauna on these six spectacular but hazardous hikes.
You'd better not be afraid of heights if you're going to tackle one of these airy trails.
You're your own worst enemy on these six tricky trails.