Take a journey into the unknown and discover over 150 extraordinary locations–from ice caves and haunted houses to glowing lakes–in this fully updated and revised guide to the world's most secret places.

Climb a stairway to nowhere on top of a mountain, lose yourself in the world's largest maze, and descend into caves lit by glowworms. Whether deep underwater in a prehistoric grotto or swimming with pigs on a remote sandy beach, a new adventure awaits on every page of this fantastically curious book for incurably curious readers!