Classified for credit

C&O Canal NHP at Great Falls features a working canal lock, towpath, and visitor center — covers 19th-century civil engineering, commerce, and transportation history.

Outdoor and indoor museum documenting Chesapeake Bay skipjack and workboat heritage — covers maritime history, boat-building trades, and Bay ecology.

Chimpanzee habitat exhibit at the Maryland Zoo — covers primate behavior, social structure, and great-ape conservation biology.

Working farm with live animals and seasonal crops — introduces agricultural science, animal husbandry, and farm ecology.

Maryland state park with a 78-foot cascading waterfall, forested trails, and a trout stream supporting ecology, geology, and watershed science.

Full-dome digital planetarium inside the Maryland Science Center — covers solar system mechanics, stellar evolution, and space exploration with immersive shows.

Children's discovery museum focused on Chesapeake Bay and Delmarva Peninsula ecology — covers regional natural history, estuary science, and local culture.

Interactive art-making museum for children with hands-on creative stations — supports visual art process, color theory, and creative expression.

French and Indian War-era stone fort with preserved earthworks and living-history programs — covers 18th-century colonial warfare and frontier diplomacy.

Star-shaped 1812-era fort where the bombardment that inspired the national anthem took place — War of 1812 and U.S. civic history.

Aviation museum on the site of Glenn L. Martin's plant — covers Maryland aviation manufacturing history, aerospace engineering pioneers, and WWII aircraft production.

Large-scale contemporary art museum integrated into a 230-acre landscape — supports visual art study alongside landscape and environmental design.

NPS park preserving Tubman's birthplace landscape and Underground Railroad routes — primary-source abolitionist history, civil rights, and Maryland geography.

Reconstructed 17th-century tobacco port with colonial-era gardens — primary-source history of Chesapeake settlement, trade, and daily colonial life.

Four historic vessels including a Civil War sloop and WWII submarine — covers naval history, ship engineering, and U.S. military history.

Hands-on maker and innovation museum for kids — covers STEM design challenges, creative problem-solving, and engineering concepts.

Working county farm park with animals, crops, and seasonal programs — covers agriculture, animal husbandry, and the history of Maryland farming.

Historic estate featuring elaborate topiary sculptures and formal gardens — covers horticulture, plant shaping techniques, and garden design.

Operational WWII Liberty Ship open for tours — covers wartime maritime history, cargo ship engineering, and the homefront economy.

Marine mammal exhibit at the National Aquarium — covers cetacean biology, marine mammal physiology, and conservation science.

Major Maryland history museum with collections spanning colonial through 20th-century history — supports Maryland state history and US history curriculum.

Oldest continuously operating state capitol in the US and site where Congress ratified the Peace of Paris (1784) — covers constitutional history and civics.

AZA-accredited zoo with active conservation programs — covers animal biology, ecology, and wildlife conservation across hundreds of species.

Civil War battlefield where Confederate forces threatened Washington D.C. — ranger-led programs cover military strategy, the war's Eastern Theater, and Maryland's divided loyalties.