East coast road trip need tips

Second, on the horseback riding on Cedar Island. You need to book soon for that.

Jockey's Ridge in Nags Head. Hang gliding on the big sand dune.
Wright Brothers Memorial/museum with a replica of the 1903 camp at Kitty Hawk. Small admission fee.

Amos Mosquito's Restaurant in Atlantic Beach gets good reviews. Never been there myself.

You didn't say the time frame you would be visiting. Cruisin' Car show in Myrtle Beach, October 5.

Your location says: Switzerland. You may not like August in the southeast U.S. 90 degrees+ with high humidity. Late September or early October has very nice weather. Unless there is a hurricane.