Madrid
Every day the Prado stays open, the last two hours are free, six to eight in the evening Monday through Saturday, five to seven on Sundays and holidays. Almost nobody plans around this, which is exactly why you should. Arrive forty-five minutes before the free window opens on a weekday and you will beat most of the line, but skip Sunday entirely if you can help it since that slot draws the heaviest crowds of the week. The first Saturday of each month adds a separate late slot from 8:30 to 11:30pm, effectively giving you a nearly empty museum after dark once a month.
Inside, Goya, Velázquez, and El Greco anchor the collection, but the museum rewards a second visit more than almost anywhere else in Europe because the rooms are deep enough that a single pass barely scratches the holdings. Las Meninas alone justifies camping out in front of it for ten minutes rather than photographing it and moving on, since Velázquez built an entire argument about the nature of painting into that one canvas.
The siesta reputation Madrid carries is only half true anymore, and treating it as gospel will cost you an afternoon. Chain stores, department stores, and most shops in the central shopping districts run straight through from around 10am to 9pm without closing. It is the small, family-run boutiques and neighborhood shops that still shut between 2pm and 5pm, so if you are near Gran Via or in a mall, the siesta barely touches you, but wander into a quieter residential barrio at 3pm expecting an open shoe shop and you will find the shutters down.
Retiro Park is the obvious green escape, and renting a rowboat on the lake in front of the Alfonso XII monument is a cliché for good reason, but the better move on a hot afternoon is heading to the Rosaleda rose garden or the Palacio de Cristal, a nineteenth-century glass pavilion that hosts rotating art installations and stays noticeably cooler than the open lawns nearby. The Royal Palace is worth the guided tour for the sheer density of gilding and frescoes inside, even though the royal family has not actually lived there full time in decades, preferring the more modest Zarzuela Palace on the city’s outskirts.
Getting around got cheaper and simpler recently with Madrid’s new Tourist Transport Card, a one-day pass starting around ten euros that covers metro, bus, and commuter rail and comes bundled with discounts at attractions like the Thyssen-Bornemisza and the Faro de Moncloa viewpoint. It is a better default than piecing together single tickets if you are moving around the city more than twice a day.
For food, a proper tapas crawl beats any single restaurant meal, and patatas bravas, gambas al ajillo, and tortilla española are the baseline order at almost any bar worth stopping in. Calle de Cuchilleros in the old town has some of the city’s best churrerías, and pairing hot churros with thick drinking chocolate after a late dinner is a genuinely good way to close out a night rather than just a tourist photo op. Mercado San Miguel is worth a visit for the atmosphere and the variety, though it runs pricier than a standard tapas bar since it caters heavily to visitors, so treat it as a grazing stop rather than your main meal.
Nightlife runs late by almost any other European standard, with Malasaña, Chueca, and Huertas each carrying a distinct character, Malasaña leaning alternative and youthful, Chueca built around Madrid’s LGBTQ scene and some of the city’s best cocktail bars, Huertas more of a mixed late-night crawl through narrow streets packed with bars. Dinner before midnight marks you as a tourist in most of these neighborhoods, and clubs frequently do not fill up until well past 1am.
Tap water is safe and, honestly, tastes better here than in a lot of southern Spain, since Madrid draws from mountain reservoirs rather than desalinated coastal supply, so skip the bottled water and save the plastic. My opinion after multiple visits: skip one major museum from your itinerary entirely and use that half day to just walk between neighborhoods without a destination, since Madrid rewards aimless wandering more than a checklist of sights ever will.