"Aerial view of the point of Porto Alegre extending into Guaíba Lake" by TimBray is licensed under CC BY-SA 3.0.

"Victoria, Canada" by Nogwater is licensed under CC BY-SA 2.0.

"Denver Skyline at Sunset" by Larry Johnson is licensed under CC BY 2.0.

"Montreal Skyline" by maha-online is licensed under CC BY-SA 2.0.

"Centre Street Bridge. Calgary." by Bernard Spragg is marked with CC0 1.0.

"Tour de Beaumont les valence drôme france" by Toutaitanous 2 is licensed under CC BY-SA 3.0.

"Bogota, Colombia" by szeke is licensed under CC BY-SA 2.0.

Other photos by Kevin LaMarr Jones