Laid-back Colón Centro y Noroeste is a neighborhood with tree-lined streets and an array of offices, medical centers and sports facilities such as gyms and football fields. It’s home to the Teatro de Verano de Colón, an amphitheater and performing arts venue within Monte de la Francesa park. Close by, the stately Castle Idiarte Borda is a 19th-century mansion that's a Historical Patrimony of the Nation landmark.