My friend who is familiar with Houston is fearless and we decided to rent a car and find a hotel in a safe area about 20 minutes away. The savings for the hotel more than made up for the cost of the car and parking. Plus we have transportation to sightsee and find nice places to eat.
We did this last year and really enjoyed the motel we stayed at. We could leave and go when we wanted. Worked out great for us. Probably won't get to go but one day this year but am looking forward to walking and walking! Wear comfortable shoes and clothes! Bring money and credit card. So m