You have been there before. As you drive slowly on the highway, feeling the urge to use the restroom, a pass a sign: SERVICES 10 m.
Read more: The US & UK roads With The Biggest Gaps Between Toilets
Cars dominate American commuting, but in a few dense metros, trains and buses are essential. These maps highlight where transit still plays a major role.
Read more: Public Transportation in the United States Mapped
The Panama Canal one of the most fantastic engineering wonders of the modern world, connecting the Atlantic and Pacific Oceans. About 14 thousand vessels use the Canal each year. More than one million ships have passed through the Panama Canal since it opened.
Read more: The Panama Canal mapped
The road system of the U.S. surpasses four million miles in combined length, plus numerous public line roads (8.3 million miles), other service roads, and off-road driving trails.
Read more: Remoteness