Gisbert's Grotto in Filicudi, Aeolian Islands, Sicily

Grotto dwelling on the island of Filicudi, in the Aeolian Islands off Sicily.

Grotto in Civitella, Italy

House in a Grotto in an Umbrian Hilltown

Lomac Treehouse, San Diego, California

Lomac Tree House in San Diego. Architecture by Safide-Rabines.

Marina's Grotto in Filicudi

House built as a grotto excavated into a hillside in Filicudi, Aeolian Islands, Sicily

Palm Tree House, San Diego, California

House on the edge of a canyon built amidst palm trees. Architecture by Safdie Rabines.