The recent Machu Picchu rescues succeeded admirably, but in most emergencies there won't be a helicopter ready to whisk you to safety. Whether at home or abroad, you have to be prepared to rely on your feet. Be prepared to walk to the nearest gas station, through a pitch-black subway tunnel, or down the fire...

Since I've been anchored to my home for a few months now, I had to find another way to express my need for travel. Here's the solution I found: take several long walks within the week. By doing this, homebound vagabonds don't have to feel trapped or confined when they are between trips. You just...