Begin in the Zócalo, Mexico City's central plaza and historic heart, surrounded by some of the city's most important civic and religious landmarks.

Continue to the Metropolitan Cathedral, a blend of architectural styles built over several centuries on the site of an Aztec ceremonial precinct. Requirements for respectful/modest attire apply at churches, synagogues, and other religious sites. Visitors should avoid disrupting religious observances and remain mindful of posted customs.

Visit the National Palace, where Diego Rivera's monumental murals trace Mexico's history from the Aztec era through the Spanish conquest and beyond.

Continue to Templo Mayor Museum, the archaeological remains of the Mexica capital of Tenochtitlan, where excavated temples and artifacts reveal the scale and complexity of the city that once stood here.

Visit the Palacio de Bellas Artes, one of Mexico City's most recognizable buildings, celebrated for its striking combination of Art Nouveau and Art Deco design and its important collections of Mexican art. Then stroll through Alameda Central, Mexico City's oldest public park, surrounded by historic buildings.

Optional add-on: Step inside the ornate Palacio Postal, one of Mexico City's most distinctive early twentieth-century buildings, known for its elaborate interior and decorative details.

Optional add-on: Visit the Museum of Arte Popular, which showcases the creativity and craftsmanship of Mexican folk traditions, then browse the colorful stalls and artisan shops of Mercado de Artesanías La Ciudadela.

Head to the observation deck of Torre Latinoamericana around sunset for expansive views across the historic center and the surrounding city. Then embark on a taco crawl through the Historic Center of Mexico City or Centro Histórico, sampling different styles and fillings at several local taquerías rather than settling on a single dinner destination.

Continue to Plaza Garibaldi, where mariachi musicians gather to perform and create one of Mexico City's most recognizable evening scenes.

Optional add-on: Attend a performance by the Ballet Folklórico de México, if the schedule aligns, for a spectacular celebration of Mexican regional music, dance, and costume.

Begin in Chapultepec Park, one of the city's largest green spaces, before climbing to Chapultepec Castle, the former imperial residence and presidential palace set high above the park. Explore the castle's historic rooms, murals, gardens, and terraces, which also provide sweeping views over Mexico City.

Continue to the National Museum of Anthropology for an introduction to the civilizations of Mesoamerica. Allow several hours to explore its major collections, including monumental Aztec, Maya, Teotihuacán, and other archaeological treasures.

Optional add-on: Visit the Museo Tamayo, devoted to modern and contemporary art and housed in an architecturally distinctive building within Chapultepec.

Continue to Polanco, one of Mexico City's most elegant neighborhoods, combining contemporary architecture, museums, designer boutiques, and restaurants. Visit the Museo Soumaya, whose sculptural silver-clad exterior houses an eclectic collection spanning European and Mexican art.

Optional add-on: Continue to Parque Lincoln, a pleasant green space at the heart of Polanco, before exploring the neighborhood's shops and restaurants.

End the day with dinner in Polanco, where contemporary Mexican cuisine and international restaurants offer a change of pace from the traditional flavors of the historic center.