Glen Echo Park, MO

united states

Glen Echo Park is a tiny St. Louis County community of about 100 residents packed into less than a tenth of a square mile along the Missouri River bluffs. Take I-270 to Exit 20A (Page Avenue) then head north toward the river, about 25 minutes from downtown via I-64 west. Despite being one of Missouri's smallest cities, it has one of the state's highest population densities at over 1,800 people per square mile.