The Grotto Shrine, Oregon, USA

The Grotto Shrine, located in the heart of Portland, OR, is a Catholic outdoor shrine and sanctuary. Constructed in 1924, the sanctuary covers 62 acres, set both at the foot of, and atop, a 110 foot cliff. A quiet, peaceful botanical gardens, large meditation hall whose main chamber is at clifftop level extends down to the foot of the cliff; the cross on the hill is visible many miles away.