3 Season
65 Episode
Season
-
10 - 1
Triangles
-
10 - 2
Pointy Roofs
-
10 - 3
Piers
-
10 - 4
Nests
-
10 - 5
Houses
-
10 - 6
Windmills
-
10 - 7
Beaver Dams
-
10 - 8
Skyscrapers
-
10 - 9
Bridges
-
10 - 10
Demolition
-
10 - 11
Floating Houses
-
10 - 12
Rollercoasters
-
10 - 13
Arches
-
10 - 14
Lighthouses
-
10 - 15
Living Underground
-
10 - 16
Living Underwater
-
10 - 17
Igloos
-
10 - 18
Spiders' Webs
-
10 - 19
Domes
-
10 - 20
Amphitheatres
