suggestions on activities during mini vacay-20 weeks pregnant

Erika
Any suggestions on activities that a pregnant woman can do? I'll be 20 weeks next month and my husband and I are going on a little mini vacation. Except, obviously, I can't get on roller coasters, can't do water sports, etc... so any suggestions on what I CAN do? 
Can I do lazy rivers? Please tell me that's not the only thing I can do lol 

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