Lake Union is a 580-acre freshwater lake located entirely within the city limits of Seattle, Washington, known for being a central feature of the Lake Washington Ship Canal, which connects Lake Washington to Puget Sound.
Harpeth River State Park in Tennessee spans Cheatham and Davidson counties along about 40 miles of the Harpeth River, functioning as a linear park that links historic, natural, and archaeological sites rather than a single contiguous area.
Louisville Mega Cavern is a vast underground attraction in Louisville, Kentucky, created from a former 19th-century limestone quarry spanning about 100 acres beneath the city.
Rye Patch State Recreation Area is a 2,400‑acre park in northern Nevada along the Humboldt River, about 22 miles northeast of Lovelock, centered on the 11,000‑acre Rye Patch Reservoir and its smaller Pitt‑Taylor Reservoirs.
Cocopah Casino is a tribal gaming resort owned by the Cocopah Indian Tribe, located in Somerton, Arizona, just 5 miles south of Yuma near the Mexican border.
Mascot Mine Natural Area in Gorham, New Hampshire, lies within Leadmine State Forest along the Androscoggin River, preserving the historic 19th-century Mascot Mine—a lead and zinc operation active from 1881 to 1885 and briefly in 1906—now closed and gated to protect endangered bat species that hibernate in its stable underground chambers.
Battle Ground Lake State Park is a 280-acre public recreation area in Clark County, Washington, located three miles northeast of Battle Ground, featuring a spring-fed crater lake formed by an ancient volcanic steam explosion.
Smugglers Notch in Vermont is a narrow mountain pass nestled between Mount Mansfield and Spruce Peak, known for its dramatic cliffs, dense forests, and natural caves.
Rough Rider State Park covers 63 acres along the Little Missouri River in Billings County, North Dakota, about two miles south of Medora near Theodore Roosevelt National Park.
Ed Galloway's Totem Pole Park in Foyil, Oklahoma, is a unique folk art environment created by Ed Galloway between 1937 and 1961, featuring the world's largest concrete totem pole standing about 90 feet tall.
Wild Rose Casino & Hotel Clinton is Iowa's first land-based casino, owned and operated by Wild Rose Entertainment through Wild Rose Clinton, L.L.C., located at 777 Wild Rose Drive in Clinton, Iowa, on 28 acres near the Mississippi River.
Breakout Games in Greenville, South Carolina, is a top-rated escape room venue offering immersive and challenging puzzle adventures for groups of all ages and experience levels.
Bismarck, North Dakota, is the state capital and second-largest city with around 74,000 residents on the Missouri River's east bank across from Mandan, founded in 1872 as Edwinton by Northern Pacific Railway workers at a key crossing used by Lewis and Clark in 1804-1806, renamed in 1873 for German Chancellor Otto von Bismarck to attract investment.
