Airline rules are changed from time to time partly in response to security issues and also because of budget constraints. Check with the airline you will be using to see what their current restrictions might be. The Transportation Safety Administration offers guidelines about this. Airlines charge for bags checked but these rules pertain to specific passenger carriers. Check ahead of your scheduled flight and then again right before you go to see if additional changes were made. Learn about antarctica cruises.
Pack your medical IDs or bracelets when traveling if you have any. It would be best to bring along extras of your prescription medicines in case there is no drugstore nearby in your vacation spot. It is not enough that you bring just enough to tide you over for the trip. A handful or so of your usual doses will do as it is just in case there are delays during the travel. Have your pharmacy and doctor along with your dentist contact details handy during the trip also.