If you have relatives or friends who want to visit Baltimore, there's a good deal on Baltimore hotels. A citywide promotion offers the third night free for guests who stay two nights. More than 30 hotels are participating in the deal ending Sept. 1. Go to Baltimore.org for the details.

Also, if your visitors want to avoid the hassle and cost of driving, Amtrak is offering 50 percent off for companion fares. Use code V828 at Amtrak.com.