Aerial drone view of the the Museum of Art, Architecture and Technology (MAAT), Lisbon, Portugal, Europe

Abstract curvilinear motif petroglyph on rock at Finca Magadalena, Volcan Maderas, Omotepe Island, Lake Nicaragua, Nicaragua, Central America

Pratapeshwar 19th century terracotta Temple, ornately carved with beautiful imagery and curvilinear roof, Kalna, West Bengal, India, Asia

Remains of a 5th century Buddhist temple with the only curvilinear tower found in Odisha, at Ratnagiri monastery, Odisha, India, Asia

Rooftop Chimneys in Casa Mila, La Pedrera, Barcelona, Catalonia, Spain

old stables, Palau Güell, 1890, residential palace, modernism, arq Antoni Gaudi, Barcelona, Catalonia, Spain.

Rooftop Chimneys in Casa Mila, La Pedrera, Barcelona, Catalonia, Spain

Pritzker Pavilion at Millennium Park Chicago Illinois USA

Pritzker Pavilion in Millennium Park Chicago Illinois USA

Adler Planetarium sundial and city skyline Chicago Illinois USA

Adler Planetarium sundial and city skyline Chicago Illinois USA