Use your iPhone or iPod touch to locate and explore modern day ruins, from empty mental asylums to shipwrecks under the Great Lakes. Discover the history and location of dead amusement parks, overgrown hospitals, forgotten hotels and ghost towns.

Follow the footsteps of other explorers. Post photos and stories of your own adventures. Uncover legends in your own home town, or venture across the country to submerged cities, crumbling prisons and deserted graveyards.

Abandoned on Twitter FORM -