On a charming residential street in Nob Hill, an otherworldly structure arises from a corner lot. Slightly obscured by mature trees, indigenous flora, and corrugated metal fences, the locally-dubbed Spaceship House is actually the home and studio of eclectic architect Bart Prince. Born in New Mexico, Prince was the protégé of famed architect Bruce Goff, with whom he worked on the stunning Pavilion for Japanese Art at the Los Angeles County Museum of Art. Though deeply inspired by his mentor, Prince also sites Frank Lloyd Wright, Antonio Gaudi, and Picasso…