Which nation, in your opinion, has the greatest architecture?

[Damião de Góis]

Portugal, Brazil sadly have few Barroque construcions left, but the ones like in Ouro Preto take my breathe off

Lisbon also lost a lot of constructions because of the 1755 earthquake. Like the royal palace by the river:

[retfala]

France.

[Sarin]

For grand buildings , I'll vote these ones especially for style of dome , temple column etc.(Roman/Greek fusion ?) :

Spoiler!

Besides , I also find architecture of some of Euro castles fascinating (though this might have to do more with nostalgic horror movies than anything else) .

While for private houses , some traditional Keralite /South Indian ones especially with a flower pond in courtyard :

Spoiler!

[The_Last_Zealot]

Art Nouveau is hard to beat honestly.