What are the great big buildings opposite the Eiffell Tower?

Question

What are the great big buildings opposite the Eiffell Tower?

Answer 1

That's "Infermary"... it's now a military academy.

Answer 2

Across the river is the Palais de Chaillot and the Tracadero. Away from the river past the Champs des Mars (the big parklike green space) is the French Military Academy.

Answer 3

Are you talking about the two curved buildings?  That's the Trocadero.