Photo: Luis García (Zaqarbal), CC BY-SA 3.0 via Wikimedia Commons
Small but interesting museum with artefacts and models from the indigenous people of Asia (mainly the Philippines, former colony of Spain), Africa and America. The exhibits are described in Spanish; however, on each floor, there is a leaflet in English explaining all sections.
The National Museum of Anthropology is an anthropology museum in Madrid, Spain. It is considered the oldest of its kind in Spain, formally inaugurated on 29 April 1875, during the reign of Alfonso XII. It is one of the National Museums of Spain and it is attached to the Ministry of Culture.
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Museo Reina Sofía / Reina Sofía National Museum and Art Center
Housed in a former public hospital with an adjacent modern wing, this museum contains Spain's largest collection of 20th century art. Created to house Pablo Picasso's renowned Guernica, allowed after the return of democracy to Spain, the work was initially behind armoured glass. That's gone, but you are kept further away from it that anywhere else in the gallery, and another room includes some Picasso etchings that were damaged in a 1971 political attack.
The Reina Sofía also houses masterpieces by other Spanish masters including Joan Miró, Salvador Dalí, Juan Gris, and others, as well as works by a number of international artists, including Vasily Kandinsky, Paul Klee, Francis Bacon, and more.
Purchasing tickets in advance no longer gives you a discounted entry but is a way to beat the queues. During free admission periods, it is still required to pick up a ticket at the ticket office; these times are especially busy and it is best to arrive a bit before the free period actually begins. Photography is permitted, except for the work of Oskar Schlemmer (even though he died in 1943). Backpacks are not permitted, but there are free lockers after both entrances (in the older and modern wings).
Royal Botanical Garden of Madrid
Established in 1755, the garden has been in its current location since 1774. Its extensive collection is dispersed over seven sections, five greenhouses, and a herbarium. A map of the garden is available here.
A private centre particularly well-known for the 'vertical garden' by Patrick Blanc installed on a wall in front of the museum, as well as the quite special architecture of the building itself. The vertical garden can be seen from the street outside, just a block south of the Thyssen-Bornemisza and across from the Prado. The museum only displays temporary exhibitions, usually of a very high quality, in fields ranging from archaeology to contemporary art and architecture.
Prado Museum
One of the finest art collections in the world and the best collection of classical art in Madrid. It includes many different collections: the Spanish (El Greco, Velázquez, and Goya), the Flemish and Dutch (Rubens, van Dyck, and Brueghel), Italian (Botticelli, Tintoretto, Titian, Caravaggio, and Veronese) and German (Albrecht Dürer, Lucas Cranach, and Baldung Grien).
Some highlights not to miss at the Prado include the Bosch masterpiece The Garden of Earthly Delights, Velázquez's masterpiece Las Meninas, the Black Paintings, The Third of May 1808, and a pair of paintings known as The Clothed Maja and The Naked Maja by Goya, Adoration of the Shepards by El Greco, and David with the Head of Goliath by Caravaggio. Be sure to walk along Paseo del Prado, a pedestrian walkway full of fountains and trees near the museum.
Visitors can bypass the often extremely long queues by purchasing tickets beforehand by phone or online, for an additional €.90 fee per ticket. Tickets purchased online can be printed or downloaded onto a smart phone; all pre-purchased tickets can be picked up (with a reference number) or presented at the main (Jerónimos) entrance in the northeast corner of the building. If you are planning to spend a full day at the museum, it is possible to leave (e.g. for lunch) and reenter by getting your ticket stamped at the 'Educación' counter just inside the main entrance.
An affordable café and cafeteria-style restaurant are on the ground floor, along with a gift shop. No food, drinks, backpacks or umbrellas are permitted (a bag check is just inside the main entrance). Photography not permitted.
El Retiro Park
The main park of Madrid, the perfect place to take a rest during a sunny day, or take part in the drum circles around the statue of Alphonso XII on summer evenings. There is a large boating lake where one can hire a rowing boat - great fun for the children! There is a monument to the victims of the Madrid 3/11 terrorist bombings, the Forest of the Absent, and the Crystal Palace, a large structure entirely made of glass. Sunday afternoons in summer are a treat in the park, where young hippies play bongos and dance.
Thyssen-Bornemisza Museum
Contains a large art collection including masterpieces by Monet, Goya, Degas, Renoir, Van Gogh, Picasso, Mondrian, Bacon and Lichtenstein.