There are antennas referred to as 8bay antennas. More than one brand available.
Should be around $70 - 100 range depending on where you buy.

Some key things to consider.
Best results require the antenna to be outside and up high.

Go to www.tvfool.com lots of great info here to help you understand what you may or may not be able to receive based on your location and antenna type.

A combination of antenna and Apple TV / Roku or WD Live box (or Smart TV features) can go along way to giving you plenty to watch.

In Burlington I can receive around 23 channels from local and US stations.