With infants, you are always so occupied with their look out and care that you cannot take a risk of planning an adventurous trip or a one which involves a lot of physical stress. It can also involve risks, which vannot be taken with infants together.
Moreover, not enough medical utilities are available at adventurous destinations. At these destinations, you may find problems in locating medicines, medical help and even small items such as nappy pads.
Parents with infants are suggested to restrict themselves to romantic or historical destinations. When you are planning a trip with infants, you have to be careful regarding the weather and the possibilities of any contagious diseases.