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historicalmarkerproject/markers/HM23SC_star-nurseries_Washington-DC.html
Where are stars born? Stars form in a large, dense region of hydrogen and helium gas and dust called a nebula (Latin for "cloud"). When a nearby cosmic collision or pressure from a supernova causes a nebula to collapse it divides into many clumps.…
historicalmarkerproject/markers/HM23SB_binary-stars_Washington-DC.html
Is our Sun a normal star? Stars are great luminous spheres of hydrogen and helium gas held together by their own gravity. Most stars in our galaxy exist in pairs or even in multiple-star systems. So, our singular Sun is relatively unusual.
A bi…
historicalmarkerproject/markers/HM23KO_a-monumental-legacy_Washington-DC.html
The Washington Monument honors George Washington, hero of the American Revolution and first president of the United States. When this stunning stone obelisk was completed in 1884, it was the tallest building in the world. Today the monument towers…
historicalmarkerproject/markers/HM237M_native-plants_Washington-DC.html
Bartholdi Park features selections of American native plants suitable for the urban landscape and your own home garden. Growing plants adapted to local environmental conditions reduces water and fertilizer use, and helps reduce the need to treat p…
historicalmarkerproject/markers/HM237L_bartholdi-fountain_Washington-DC.html
The Fountain of Light and Water was designed by Frédéric Auguste Bartholdi for the 1876 Centennial Exposition in Philadelphia, PA. The namesake of Bartholdi Park is best known for designing the Statue of Liberty (Liberty Enlightening…
historicalmarkerproject/markers/HM237J_capitol-square-sw_Washington-DC.html
Front:
U.S. Botanic Garden
Architecture by Bennett, Parsons & Frost, 1933
Easily recognized by the sparkling glass dome of its Conservatory, the U.S. Botanic Garden, overlooking the National Mall, is located near the U.S. Capitol. Visitors can …
historicalmarkerproject/markers/HM237C_the-national-garden-takes-root_Washington-DC.html
In 1986 President Ronald Reagan signed legislation creating the rose as the national floral emblem for the United States. Plans then got underway to find a site to showcase roses in the nation's capital.
The U.S. Botanic Garden (USBG) was selec…
historicalmarkerproject/markers/HM237B_cardinal-direction-marker-east_Washington-DC.html
Did you know that this type of stone was used to make arrowheads?
This 544 million-year-old rock is quartzite, a very hard stone used to make arrowheads by the local Nanticoke peoples. It came from Sugarloaf Mountain in Maryland's Monocacy Vall…
historicalmarkerproject/markers/HM237A_swamp-milkweed-wihsakan-wee-sah-quam_Washington-DC.html
Distinguished by its scarlet hourglass-shaped flowers and white sap, the swamp milkweed is a beautiful wetlands plant. The Menominee harvested the plant "heads" when in full bloom and added them to soup, or stored them for winter use. The Sac and …
historicalmarkerproject/markers/HM2378_can-you-find-symbols-for-the-sun_Washington-DC.html
Can you find symbols for the sun, Mercury, Venus, Mars, Jupiter, Saturn, and the moon on the Welcome Plaza?
They are embedded into the stone beneath your feet, in their positions at sunset on the museum's birth date: November 28, 1989. The Nort…