Localbitcoins.com

Bitcoin ATMs located around the country at your local hipster shop. https://coinatmradar.com/country/226/bitcoin-atm-united-states/

You can buy physical bitcoins via eBay, but the prices are straight robbery by the seller. Only a sucker would pay those prices.

On the online exchange front check out Circle used to but in researching the response to your post I learned that Circle has gotten out of the Bitcoin business to focus on fiat based peer to peer online payments.