Also see the Louvre Palace, Conciergerie, bNotre Dame/b Cathedral, French Academy, Sorbonne University, Orsay Museum, Military Academy, Trocadero Square and Palais De Chaillot. From Paris, drive to Brussels. Arrive in Brussels and take an b...../b The Atomium in Brussels was built for the 1958 Brussels World Fair, and is a 102 metre tall representation of an biron/b molecule, or 165 billion time magnified unit cell of an biron/b crystal. Nine steel spheres 18 metres in diameter are ...