Hoyo Soplador (Blowhole) in San Andrés, Colombia
Queen Victoria's Horseshoe in Dunblane, Scotland
ABBA the Museum in Stockholm, Sweden
'Coccolith' in Tatsfield, England
Kalayaan (Freedom) Tree in Malolos, Philippines
Malad Gorge in Tuttle, Idaho
'Conversation Piece' in South Shields, England
Soucoupe Volante (Flying Saucer) in Vitteaux, France
