 As Paraguay's busiest airport, it is the hub of TAM Paraguayan Airlines.The city is home to the Godoy Museum, the Museo Nacional de Bellas Artes (which contains paintings from the 19th century), the Church of La Encarnación, the Metropolitan Cathedral and the National Pantheon of the Heroes, a smaller version of Les Invalides in Paris, where many of the nation's heroes are entombed.Other landmarks include the Palacio de los López, the old Senate building (a modern building opened to house Congress in 2003) and the Casa de la Independencia (one of the few examples of colonial architecture remaining in the city).