It is a half-through arch bridge that connects the North Shore with Sydney central business district (CBD). Due to its unique design, it is often referred to as ‘The Coathanger’. The design of this bridge was conceived by Dorman...
Tower Bridge is a suspension bridge of London. It has been an iconic symbol of this city as it passes over River Thames. It is a bascule bridge, which means it is moveable and gives way to boat traffic...
River Thames is the longest river in England and the second longest river in the United Kingdom with a length of about 215 miles. It flows through southern England, starting from Gloucestershire Cotswolds to North Sea. It passes through eight English...
Located in a jungle in Bolívar State of Venezuela, the angel falls is clearly one of the most fascinating sights to watch. The height of angel falls makes it the highest uninterrupted waterfall in the world. The angel falls...
Located in midtown of New York City, this skyscraper has 102 stories. The empire state building is a cultural icon of USA. It is built on a design known as Art Deco style. On 1 May, 1931, the button...
North America is one of the largest continents in the world—third only to Asia and Africa. The America is not only rich in wild animals it also tells us facts about the long history of indigenous people including the...
The Rocky Mountain National Park lies in the northern Colorado. It is thought to occupy 1,040 square kilometers of land. The park offers one of the magnificent hiking trails that include alpine lakes, flower-studded valleys, and summer assaults which...
The Mount Kilimanjaro is not only the largest mountain in Africa it is also the world’s tallest freestanding mountain reaching 19,340 feet above the sea level. The meaning of Kilimanjaro means the ‘Mountain of Greatness’. It is the most...
The Arctic is home to many animals and humans especially those that have adapted to living in extreme cold climates. No wonder it is one of the most spectacular landscapes on earth that is covered almost entirely with ice...
Smoke is one of the forms of air pollution. Various natural sources emit smoke into the atmosphere. Humans are mainly responsible for making the air dirty because man-made activities result in producing a large amount of hazardous substances in...
The atmosphere of the earth is made up of a mixture of gases. This pool of gases behaves like a ‘filter’ and saves us from harmful radiation of the sun. In a group, these atmospheric gases behave as one...
In 1824, the process of greenhouse effect was first noticed by a French physicist named Joseph Fourier. He was the first scientist to consider that the atmosphere of our planet may be similar to that of an insulator that...
‘Metamorphism’ comes from joining two Greek words i.e., meta meaning ‘change’ and morpho refers to ‘shape’. It means metamorphism means ‘to change shape’. Metamorphism is a process in which high temperature and pressure changes the mineral content of rocks...
When a solid rock is exposed to air, the air cuts loose tiny particles from the surface of rock. This geological process in which air wears down small fragments of rock by its continuous flow is known as weathering....
The interior of the earth is extremely hot. The overlying layers of rocks exert a lot of pressure upon the rocks lying underneath them which is why most of the earth’s interior exists in solid form. At the same...
Located on the dock of the most densely populated Australian city, Sydney Opera House is a venue for various art performances. The natural harbor of Sydney where this building is situated is known as Port Jackson and this location...
White House is an office as well as home for the President of USA. Every US President uses it as his home and this tradition began in 1800 from the time of second US President named John Adams. The...
Uluru is a small hill in Australia and is usually referred to as Monadnock. It is also known as inselberg which means ‘island mountain’. An inselberg is the name of a hill that sticks out suddenly above the land....
Sahara desert is the world’s hottest desert. The size of Sahara is almost equal to the size of China which makes it third biggest all over the world. It covers most of the area of Africa and extends from...
River Nile is the world’s longest river. It supplies water to 11 countries but it is the main water source for two countries: Egypt and Sudan. That is why it is also called ‘International River’. There are two tributaries...
