All these tips are great, but I truly appreciate the perspective about Sunrise is better than Sunset. I know I am probably in the minority here, but the freshness of morning is a rebirth for me. And a dazzling sunrise does more for lifting my spirits than almost anything else. Whatever problems I had yesterday, now, with this new sunrise, I have a chance at a fresh start. (Don’t get me wrong…I love a romantic sunset too!)
Having your spouse or traveling companion take the wheel during a long drive seems like simple good sense, and it's often a virtual necessity. As long as all drivers are qualified, swapping the driving duties doesn't add even a fraction of a penny to the rental company's cost or risk. But that doesn't stop those companies from hitting you with an extra-driver charge of up to $13 per day, per driver, sometimes with a minimum charge of more than $90 per driver.
Many state and national parks permit camping, although some popular locations such as Yosemite and Sequoia/Kings Canyon tend to fill up months in advance, so reserve as early as possible. Federal lands operated by the Bureau of Land Management, U.S. Forest Service, and U.S. Fish & Wildlife, also have thousands of campsites, which are often uncrowded, even during the summer months. There are also many outstanding private campgrounds statewide.
This rip-off is especially noxious because it is based on a lie—that the fuel surcharge somehow isn't part of the regular fare. How bad it is? Recently, British Airways posted a round-trip from Boston to London with a base fare of $208, plus $230 in government/airport/security taxes and fees and a $458 "carrier imposed" (read: "fuel") surcharge. Ridiculous!
From a safety perspective, it’s good to have several people back home who know where you’ll be. I forward any flight or accommodation confirmations to my family and Skype with them several times a week to let them know what I’m up to. That way, if ever I disappear for a few days, my family will know immediately and will be able to know where I was staying at that time. It takes just a few minutes but really improves your safety.
So whether you are in dire need of help or just want to have a friendly chat, don’t shy away from striking up a conversation with a total stranger; that is the best way to get a sense of Icelandic culture and society, and since all Icelandic students must learn English before they are allowed to graduate from elementary school, a language barrier will rarely, if ever, be an issue.
It’s a far cry from doctors’ typical jet lag tips ― like avoiding caffeine and alcohol before you try to sleep, slowly adjusting your sleep schedule to a new time zone or even using small doses of melatonin to help fall asleep when your body typically wouldn’t want to, the study’s author Cristina Ruscitto, a researcher in the Department of Psychology at the University of Surrey (and former long-haul air crew member), told The Huffington Post. The idea is, she said, “that you readjust by eating in line with local time ― not just sleeping on local time.” This revelation could be an easy fix for jet lagged travelers everywhere. 
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