Nitt Witt Ridge

Cambria, California

The Caves of Ra Paulette

Santa Fe

Casa de Dios (House of God)

Épila, Aragón

Mystery Castle

Phoenix, Arizona

La Casa de Cristál (The Glass House)

Aragon

Casa de las Conchas (House of Shells)

Montoro, Andalucía

La Casa de Piedra (The House of Stone)

Alcolea del Pinar, Castile-La Mancha

La Casa de las Conchas (The Shell House)

Rojales, Valencian Community

Gerry's Pompeii

London