By Lily Morgan
A challenging hike that rewards you with stunning alpine lakes and breathtaking mountain views.
Walk through a travertine formation and swim in the cool waters of this hidden cave.
This moderate hike takes you through a canyon to a beautiful waterfall.
Hike through the desert to find a hidden oasis with towering palm trees and a serene atmosphere.
A hidden gem on Santa Cruz Island, this trail leads to a secluded beach with crystal-clear waters.
Discover the largest freestanding railroad trestle in the world.
Explore the rare Torrey Pines and stunning coastal views on this lesser-known trail near San Diego.