Underground Railroad tourism: Casselman River Bridge State Park in Garrett County was added to the National Park Service’s Underground Railroad Network to Freedom, with Maryland DNR and MDOT working to stabilize and resurface the historic bridge tied to abolitionist Josiah Henson. Family travel + safety: Montgomery County health officials are pushing measles vaccinations ahead of school, citing rising cases statewide and nationally. Beach boardwalk keepsakes: Ocean City is auctioning off retired boardwalk signs (including rip-current and safety markers) to reduce clutter and raise money for a local charity—bids end Friday. Chesapeake Bay outdoors: Horseshoe crab tagging is expanding in Calvert County as College of Southern Maryland students help track the species’ movements during the full-moon spawning season. Road-trip planning: MDOT’s updated Project Portal gives travelers and drivers a clearer, easier way to track state highway construction by county and map. Travel-adjacent local events: Supernova, a Super Smash Bros. tournament series, is set for the Baltimore Convention Center this weekend. Air travel growth: Avelo hit 10 million customers, underscoring continued demand for affordable nonstop flights. Tourism + nature research: A national aquariums-and-universities effort is advancing sustainable marine fish aquaculture, aiming to reduce reliance on wild-caught species. Local tragedy to note: A stolen-car crash in Germantown killed a driver and injured multiple children, highlighting the risks around youth driving.