The Grand Canyon Skywalk—a horseshoe-shaped, glass-bottomed bridge that juts out 70 feet (20 meters) above one of America’s most scenic...
Read MoreMore than 30 Mayan sites have been found on Cozumel, some of them in beautiful locations such as dense jungle or perched above pristine beaches. By fa...
Read MoreThe Hoover Dam (originally known as Boulder Dam) is an inspiring symbol of American engineering, built during America’s Great Depression as t...
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