Aurora Borealis, also known as the Northern Lights, is a natural light
phenomenon visible in northern latitudes. The name is derived from the
Roman goddess of dawn, Aurora, and the Greek name for north wind,
Boreas. The display occurs when solar winds move away from the sun and
interact with charged electric and magnetic fields in the earth’s
magnetized stratosphere. As charged particles enter the atmosphere 20 to
200 miles above the earth, they clash with oxygen and nitrogen atoms. A
collision with oxygen produces reds and greens, while encountering
nitrogen creates hues of blue to purple. Wind currents affect the
reaction and cause various wave like patterns.
The Matterhorn, in all its majestic beauty, has long served as the icon
of Switzerland and has probably been the subject of more photographs and
paintings than any other natural land formation in the world. Situated
in the Pennine Alps on the border between Switzerland and Italy, the
Matterhorn is a pyramidal-shaped colossus, standing at a
skyline-dominating 4478 metres (14,690 feet).
Uluru, or as its often known, Ayers Rock, is a large, sacred, sandstone
structure in Central Australia. At 348m (1142ft) high, and 5.8mi
(9.4km) in circumference, it is undoubtedly one of Australia's most
recognisable landmarks. Throughout the day, Uluru appears to change
color, ranging in hue from brown and pink, to delicate mauve, and
sometimes even fiery red. Impressively, the visible part of Uluru is
just the tip of an enormous underground slab.
Situated in the Bay of Calpe and surrounded by the shimmering blue of
the Mediterranean Sea is the enigmatic Penon de Ifach. Towering over
Calpe at a height of 332 meters, Penon de Ifach offers its visitors
spectacular views which can extend as far as Ibiza in the Balearic
Islands on a clear day.
Yosemite Falls, the crown jewel of Yosemite National Park, is the
highest waterfall in North America and arguably one of the most
spectacular in the world. The water tumbles down a total of 2,425 feet
and is divided into three main sections. Yosemite National Park, in the
Sierra Nevada of California, is also home to countless other cascading
waterfalls, six distinct vegetation zones, and impressive glacial
topography.
Jeita Grotto, the longest cave in the Middle East, is situated
approximately 11 miles (18km) north of Beirut. It consists of two
separate, but interconnected, limestone caves, and boasts a length of
5.6 miles (9km). One of the worlds most amazing agglomerations of
stalactites and stalagmites, Jeita Grotto is widely considered to be the
pride of Lebanon, and featured as a finalist in the New 7 Wonders of
Nature competition.
The Meteora are a collective of natural sandstone rock pillars, which
have served as places of worship throughout modern history. With an
average elevation of 313m (1027ft), the Meteora rocks stand proudly at
the centre of an extraordinarily beautiful Greek landscape, housing 24
monasteries in total, of which 6 remain active. Inscribed on the UNESCO
World Heritage List in 1988, Meteora attracts tourists to the region in
their thousands each year.