The document summarizes several historical monuments and buildings in Barcelona, including the Agbar Tower designed by Jean Nouvel, the Torre Agbar built between 1995 and 2005, the Collserola Tower designed by Norman Foster for the 1992 Olympics, and the MAPFRE Towers and Milà House, the latter an art nouveau building designed by Antoni Gaudí and located downtown. Public transportation options to access these landmarks by bus and metro are also provided.