Discover the truth about a few unsolved mysteries at well-renowned American National Parks, including Yosemite National Park and Grand Canyon National Park.
Four million tourists flock to Yosemite National Park every year. Tenaya Canyon is the park's spookiest spot. In 1851, American soldiers fought with Native Americans. Chief Tenaya cursed the canyon after his son will killed in combat. Check out California's Olmstead Point, a rock cliff with a beautiful vantage point over the dangerous Tenaya Canyon and Half Dome.
Bridalveil Falls, located in Wyoming's Yosemite National Park, is 1 of the only waterfalls that run all year. A Native American legend claims that whispers from the waterfall draw people in; so, they drop over the edge of the falls.
Yellowstone National Park has 2.2 million steamy acres that include the well renowned Old Faithful geyser.
Looking for adventure? Head to the Great Sand Dunes National Park and Preserve in Alamosa, CO. It's the largest natural sand dune in the US, with a surprising array of wilderness and wild animals.
A UFO Watchtower, started by Judy Messoline, was built near The Great Sand Dunes National Park and Preserve, in Hooper, CO. Some psychics claim that the area has 2 large vortexes, portals to a parallel universe.
Colorado's Great Sand Dunes, 10-to-100-thousands of years old, are said to be a hotbed of paranormal activity.
This $10,000 UFO watchtower looks over the Great Sand Dunes National Park. There have been allegedly 54 UFO sightings since the watchtower was built in 2000.
Government officials say military equipment testing may be the real explanation behind the unexplained UFO sightings seen near the Great Sand Dunes National Park.
Bigfoot has been rumored to walk through the majestic Yosemite National Park, but Dr. Jeffery Meldrum says there's proof, including his casts of the mythical monster's footprints.
Check out this collection of skulls, including a human, bear and Gigantopithecus, a scientifically recognized species, but not body has ever been found, like Bigfoot.
Grand Canyon National Park is 1 of the 7 natural wonders of the world, drawing 5 million visitors a year. This photo, taken from Desert View Watchtower, is a great vantage point to watch the sun rise and set. Maverick Helicopter Tour Company provides tourists with a bird's-eye-view of the canyon for $125 to $250 per person.
Some tourists, visiting Grand Canyon National Park, think ghosts of the 128 passengers killed in a multiple commercial flight crash in June 1956, still haunt the park. The unfortunate crash did spark the start of flight safety measures, including the formation of the FAA, a national radar system and the invention of the cockpit voice recorder.
Several tourists claim to hear eerie whispers from the Yellowstone Lake in Yellowstone National Park in Wyoming. Find out whether the lake really gives up its dead. Stay at the Yellowstone Lake Hotel, the oldest building in the park, and the only hotel situated around the lake.