Most Unique Buildings around the world – 1

Construction engineers around the world are creating wonders in constructions. Here are some wonderful, most unique buildings around the world.
Casa da musica (Porto, Portugal)

Conch shell house, (Isla Mujeres, Mexico.)
Cathedral of Brasilia (Brazil)
Atomium (Brussels, Belgium)
Habitat 67 (Montreal, Canada)
Guggenhein Museum (Spain)
Cubic houses (Netherlands)
The crooked house (Poland)