Historic sites: How much to budget for visits

Visiting our nation's historic site won't break the budget. GoBankingRates.com has put together 20 spots around the USA to live the country's history, and listed how much it costs to visit each historic site. Scroll through the gallery above to get some ideas for trips, or road trip for cheap across the country with GOBankingRates.com's list of fun activities under $20 to do in each state: