After checking into a hotel room, step back into the hall and count the number of doors to the fire escape. If there is an emergency and you cannot see due to smoke, you will be able to crawl to your escape route by running your hand down the wall and counting doors as you pass them.
While traveling, pack your socks and undergarments in a storage or freezer zipper bag. After wearing the undergarments place them back inside the zipper bag to keep your clothing inside your luggage smelling fresh and clean.
Always be aware of your surroundings, even in familiar areas. Relaxing at the wrong time can invite disaster.
Many cruise ports (Juneau, AK, for example) aren't really accessible by foot. Consider renting a limousine and getting a private tour of the area. It'll be well worth the cost of the car and driver.