10 Mysterious Places Around The World That Are Hard To Explain... Even For Scientists

January 21, 2014

Written by Leslie Gilbert Elman, Special to CNN

Earth never stops surprising us. Every corner of the planet offers some sort of natural peculiarity with an explanation that makes us wish we'd studied harder in junior high Earth science class.

Some of these sites are challenging to get to; others are busy tourist destinations. They keep natural scientists searching for answers and the rest of us astounded by the secrets and mysteries the world continues to reveal.

Blood Falls, Antarctica

natural oddities
Photo: National Science Foundation

Most people won't see Blood Falls in person, but even in photographs, the sight is arresting: a blood-red waterfall staining the snow-white face of Taylor Glacier. Glaciologists and microbiologists have sought to determine what causes the mysterious red flow. They've concluded that the source is a subterranean lake rich in the iron that gives the water its red hue. Stranger still, recent research has revealed microorganisms living 1,300 feet beneath the ice, sustained by the iron and sulfur in the water.

Magnetic Hill, Moncton, New Brunswick

natural oddities
Photo: Parks Canada Agency

What could possibly cause an automobile to roll backward uphill without power? A magnetic force from within the Earth? Something even more fantastic? Since the 1930s, when the phenomenon of Magnetic Hill was discovered (and almost immediately promoted as a tourist attraction), people have been trying to figure out its riddle.

Surtsey, Iceland

natural oddities
Photo: Getty Images / Gerard Gery

When people try to convince you there's nothing new under the sun, direct them to the Icelandic island of Surtsey. Before 1963, it didn't exist. Then, an underwater volcano in the Westman Islands (Vestmannaeyjar) erupted, and when the activity settled down in 1967, what remained was an island where no island had been before.

Moeraki Boulders, New Zealand

natural oddities
Photo: Karsten Sperling

Large spherical boulders -- some measuring 12 feet in circumference -- are scattered on Koekohe Beach on the east coast of New Zealand's South Island. They formed millions of years ago on the ancient sea floor, collecting and hardening sediment and minerals around a core such as a fossil or a shell similar to the way oysters form pearls.

They're not the world's only examples of what geologists call septarian concretions. You can also visit the Koutu Boulders near Hokianga Harbour on the northwestern coast of New Zealand's North Island, for example. Yet the Moeraki Boulders are some of the world's largest. The particulars of their origin and what caused the distinctive cracks inside them are still being studied.

Longyearbyen, Norway

natural oddities
Photo: Chris Jackson / Getty Images

From April 20 to August 23, the sun never sets over Svalbard, a Norwegian archipelago that lies north of Greenland in the Arctic Sea. The phenomenon plays havoc with everyone's body clocks. Is it noon? Is it midnight? After a day or two, it's hard to tell.

Pamukkale, Turkey

natural oddities
Photo: Getty Images

What appears to be a Doctor Zhivago-style snowy landscape in southwestern Turkey is actually the result of calcium carbonate deposits from 17 natural hot springs accumulating over thousands of years. Beginning in the late second century B.C., this area near present-day Denizli was a destination for those who sought the therapeutic benefits of the mineral-rich water whose temperature reaches upward of 100 degrees Fahrenheit.

Today, you can see remnants of the baths at the ancient holy city of Hierapolis, but it's the stunning terraces, cliffs and petrified white waterfalls of Pamukkale -- Turkish for "Cotton Palace" -- that give it remarkable natural beauty.

Racetrack Playa, Death Valley, California

natural oddities
Photo: Getty Images

How ordinary stones manage to "sail" over the surface of Racetrack Playa in Death Valley National Park is a mystery people have tried to solve since 1915, when a prospector and his wife noticed tracks that seemed to indicate that the stones had somehow traveled across the dry earth. Short of cosmic intervention, the stones required terrestrial forces to move them.

But what forces? The current prevailing theory about the "sailing stones" of Racetrack Playa, presented by a team of physicists in 2011, involves ice that forms around the stones, causing them to move and to leave a trail in their wake. Many visitors still hope for a more mystical explanation.

Eternal Flame Falls, Orchard Park, New York

natural oddities
Photo: MPMA Jewski

Behind the cascade of a small waterfall in the Shale Creek Preserve section of Chestnut Ridge Park in suburban Buffalo, New York, you might see what appears to be an optical illusion: a flickering golden flame. Actually, you'll smell it before you see it, and amazingly, it's real, fueled by what geologists call a macroseep of natural gas from the Earth below.

A geological fault in the shale allows about 1 kilogram of methane gas per day to escape to the surface, where, at some point, possibly the early 20th century, a visitor had the idea to set it alight. The water occasionally extinguishes the flame, but there's always another hiker with a lighter to reignite it.

Old Faithful, Yellowstone National Park

natural oddities
Photo: AFP / Getty Images / Mark Ralston

Yellowstone National Park claims the highest concentration of geysers of any place on Earth. Geysers are hot springs with plumbing challenges that result in eruptions. More than 300 can be found throughout the park, and none is more famous than Old Faithful. In fact, Old Faithful is the reason Yellowstone was designated a National Park -- the first in the United States -- in 1872.

Its name comes from the perceived regularity of its eruptions, which occur every 55 to 120 minutes and last for two to five minutes. The spectacular eruptions remain a source of fascination for the more than 3.5 million people who visit Yellowstone each year. The fact that the eruptions aren't quite as regular as they might seem -- and that the mean eruption interval seems to be lengthening -- keeps geologists fascinated, too.

Relampago del Catatumbo, Ologa, Venezuela

natural oddities
Photo: Wikipedia Commons

Thanks to its humidity, its elevation and the clash of winds from the mountains and the sea, the southwestern corner of Lake Maracaibo in Venezuela has the world's highest frequency of lightning activity (250 flashes per square kilometer per year).

More than 200 nights per year, with peaks in May and October, lightning flashes fill the sky -- sometimes 25 or more flashes per minute. To put that in perspective: The National Weather Service classifies anything over 12 strikes per minute as "excessive." Named for the Catatumbo River, which flows from Colombia in to Lake Maracaibo, the Relampago de Catatumbo, or Catatumbo Lighting, has become a highlight for travelers who spend their nights wide awake and wide-eyed watching the spectacle.

Source: CNN.com

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