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Old Stone House

3051 M Street NW, Washington, DC 20007

Built in 1765, the Old Stone House is the oldest unchanged building in Washington, DC, predating the city itself. Originally a modest middle-class residence and workshop, it survived Georgetown's development pressures largely because it was mistakenly believed for a time to have housed George Washington's city planners. It is now operated by the National Park Service as part of Rock Creek Park, with rooms furnished to reflect 18th-century colonial life and a small garden behind it.

Some information is currently available in English.

Heurich House Museum

1307 New Hampshire Avenue NW, Washington, DC 20036

Known as the 'Brewmaster's Castle,' this Romanesque Revival mansion was built between 1892 and 1894 for Christian Heurich, a German immigrant who became Washington's largest brewer. The house retains much of its original Victorian interior, ornate woodwork, and murals, offering an intact look at Gilded Age domestic life in the capital. It now operates as a small house museum and event space run by the Heurich House Foundation.

Some information is currently available in English.

Kenilworth Park and Aquatic Gardens

1550 Anacostia Avenue NE, Washington, DC 20019

This National Park Service site is the only NPS park dedicated to cultivating water plants, featuring ponds of lotuses, water lilies, and other aquatic flora along the Anacostia River. It originated in the 1880s when Civil War veteran Walter B. Shaw began growing water lilies from his native Maine on the site, later expanded by his daughter Helen Fowler into a commercial water-garden business before the federal government acquired it in 1938. Boardwalks wind through the ponds, and the gardens peak with lotus blooms in July.

Some information is currently available in English.

Netherlands Carillon

A 127-foot open-air bell tower located near Arlington National Cemetery, the Netherlands Carillon was a gift from the people of the Netherlands to the United States in gratitude for American aid during and after World War II, including the Marshall Plan. Dedicated in 1960, its 50 bronze bells ring out in free public concerts, and the surrounding park offers a quiet, uncrowded view across the Potomac toward the Lincoln Memorial. It sits adjacent to, but is far less visited than, the nearby Marine Corps War Memorial.

Some information is currently available in English.

Stabler-Leadbeater Apothecary Museum

105-107 S Fairfax Street, Alexandria, VA 22314

One of the oldest apothecary shops in the country, this pharmacy operated continuously at the same Old Town Alexandria location from 1792 until 1933, serving patrons including George Washington and Robert E. Lee. When it closed during the Great Depression, its owners left behind the original shelving, hand-blown glass bottles, and over 8,000 artifacts virtually untouched. The City of Alexandria now preserves it as a museum offering a rare, time-capsule view of 18th- and 19th-century medicine.

Some information is currently available in English.

Congressional Cemetery

1801 E Street SE, Washington, DC 20003

Founded in 1807, Congressional Cemetery is one of the nation's earliest cemeteries and once served as a de facto national burial ground for members of Congress, with cenotaphs marking many early legislators. Notable interments include FBI director J. Edgar Hoover, march composer John Philip Sousa, and photographer Mathew Brady. Today it is a National Historic Landmark maintained partly through a popular dog-walking membership program, blending a historic graveyard with an active community green space.

Some information is currently available in English.

Blagden Alley

Blagden Alley is one of Washington's best-preserved 19th-century alley enclaves, a hidden network of brick carriage houses and stables built to house the horses, laundries, and working-class residents that served the grand rowhouses of Shaw. Once considered a slum and later slated for demolition, it survived and is now part of the Blagden Alley-Naylor Court Historic District, its old stable buildings converted into art studios, offices, and restaurants. Tucked between 9th and 10th Streets NW, it retains a distinctly atmospheric, cobblestone feel unlike the surrounding blocks.

Some information is currently available in English.

African American Civil War Memorial Museum

1925 Vermont Avenue NW, Washington, DC 20001

This small museum tells the story of the roughly 209,000 United States Colored Troops who fought for the Union during the Civil War, a history long overlooked in mainstream Civil War narratives. It sits near the bronze 'Spirit of Freedom' memorial statue and the Wall of Honor listing soldiers' names, at the historic heart of the U Street corridor. The museum features exhibits, genealogy resources, and artifacts documenting Black soldiers' service and its role in the eventual push for civil rights.

Some information is currently available in English.

Chinatown Friendship Archway

7th Street NW & H Street NW, Washington, DC 20001

Spanning H Street at 7th Street NW, this ornate arch is the largest single-span Chinese archway in the world outside of China. Dedicated in 1986 as a gift from Beijing, DC's sister city, it was built by artisans using traditional Qing dynasty techniques and is adorned with 272 painted dragons. It marks the entrance to Washington's shrinking Chinatown, a neighborhood most visitors walk beneath without knowing its origin.

Some information is currently available in English.

Josephine Butler Parks Center

2437 15th Street NW, Washington, DC 20009

This Beaux-Arts mansion, built in 1911 as the Cissel-Miller House, sits on the edge of Meridian Hill Park at the border of Adams Morgan and Columbia Heights. It now serves as the headquarters of Washington Parks & People, a nonprofit renamed after Josephine Butler, a longtime DC parks and civil-rights activist, and functions as an event venue and community space. Its grand rooms and gardens offer a quiet architectural relic overshadowed by the park it overlooks.

Some information is currently available in English.