CALIFORNIA:

Forestiere Underground Gardens
Madonna Inn
Noah Puifoy
Salvation Mountain
Watt's Towers

PENNSYLVANIA:

Columcille Stones
Griglak Zoo
Haines Shoe House
Magic Garden of South Street
Oil Tank House

NEW YORK:

Mushroom House
Opus 40
Pratt Rock
Wing's Castle

KANSAS:

Missile Silo House
Too Liggett to Quit
The Garden of Eden
Florence’s Rock Garden

UTAH:

Gilgal Gardens

ARIZONA:
Arcosanti
Biosphere 2
Camelback Castle
Mystery Castle

OHIO:
Brice Baughman
Hartman Rock Garden
James Batchelor
Loveland Castle
Youngstown Mystery Lights