Altoona is a city located in Blair County, Pennsylvania, and is part of the Altoona Metropolitan Statistical Area. It is situated in the Allegheny Mountains region of the state and is the principal city of the Altoona Micropolitan Statistical Area. The city is home to the historic Horseshoe Curve National Historic Landmark, which is a popular tourist attraction. The crossword solution for Altoona is 'Erie', which is a city located in northwestern Pennsylvania on the shores of Lake Erie. It is the fourth-largest city in the state and the largest city in the Erie Metropolitan Statistical Area.