The entrance is all glass and shiny metal.

You step onto a glossy tile floor and walk towards a steel gray elevator less than a minute, and you see clouds floating right above your head.

You're a TTE, the top of a mighty skyscraper with many stories.

Speaking of stories ready to see some cool stories about this giant and others of the kind.

The Burj Khalifa is the tallest building in the world.

It's almost twice as tall is the Empire State Building and three times taller than the Eiffel Tower.

If you laid the Burj Khalifa pieces and Joanne, they would stretch over 1/4 of the way around the world.

Just don't forget to put it back together.

You can watch the sunset from the bottom of the Burj Khalifa, then taken elevator to the top and watch the sunset from there again.

The skyscraper is so tall that the two sunsets appear three minutes apart.

The elevator takes less than a minute and 1/2 to get to the top, so if you're a fast mover, you have loads of time to see both shows.

The Empire State Buildings Tower was originally designed to serve as a docking station for dirigibles.

They were believed to be the transportation of the future.

At that time, the project included gangplanks, check in and customs offices, and so on.

When the engineers realized that the wind up there was too intense for their plans, they abandoned the idea.

When one World Trade Center in New York was built, the constructors used so much concrete it would be enough to make a sidewalk from New York City to Chicago.

The building's cladding also had enough glass to cover 20 football fields and as much steel as in 20,000 cars.

Skyscrapers, air made flexible, otherwise powerful winds at the top would easily break them.

To avoid this unwanted scenario, most skyscrapers sway in the wind like trees.

They're designed in such a way that it doesn't damage their structure.

For example, Chicago's Willis Tower can sway up to three feet when the wind is particularly strong.

Whoa, that must be a wild ride.

The most important part of a skyscraper.

Its foundation is underground.

It supports the building and helps the whole thing to remain stable.

The taller and heavier the building, the stronger and deeper the Foundation should be.

The Lloyd's building in London, informally called the inside Out building, is a mishmash of architectural styles.

A bizarre jumble of structures is clinging to its outside.

It's the building's complicated system of elevators and water pipes.

The main purpose of this outlandish design is to keep the skyscraper Uncluttered inside.

It gets scorchingly hot and Dubai in the summer.

That's why strong air conditioning is a must.

The ones in the Burj Khalifa are no exception.

These guys produced 20 Olympic size pools of water in the form of condensation.

Within a year, the architect who designed Alba Heart Towers in Abu Dhabi faced a tricky task to make the skyscrapers interior cool without using too many air conditioners.

The solution was found a giant shielding facade.

It consists of 1000 moving elements they open and close during the day, depending on the position of the sun.

The unusual facade, made up of 2000 umbrella like modules, covers almost all the surfaces of the towers.

Except for the northern sound.

The Empire State Building holds the Guinness world record title for being the world's tallest building for the longest period of time.

Almost 41 years.

The skyscraper was also built impressively fast.

It took less than 14 months to complete the construction.

The word skyscraper hasn't always meant a super tall building.

It used to refer to a high standing horse at the end of the 18th century.

A bit later, people use this word to describe a triangular sail at the top of a ship's mast, and it meant a very tall man in the 19th century.

Busk, over to Cali in Milan, is a residential complex that consists of two towers 1 360 feet and the other 250 feet high.

The towers are covered with greenery, 11,000 climbing plants, 5000 shrubs and 480 trees.

That's why the high rise buildings look different throughout the year.

The Guinness World Records have recently given the title of the world's speediest elevator to the one in gone.

Zhou Chao, Thai took finance center.

The thing moves at an impressive speed of 47 miles per hour.

The previous record holder travels inside Shanghai Tower and reaches a speed of almost 46 miles per hour.

Hey, let's zoom to the top.

But skyscraper elevators aren't going to get much faster than that.

A recent study claims 51 miles per hour is likely to be the speed limit for them any faster than that, and passengers will start to get sick.

It would feel even worse.

When you're going down, your body might think it's falling hopes.

I think I'm gonna barf.

The Elephant Building in the North Bangkok Business District is one of the most unusual high rise buildings in the world.

The construction consists of seven parts.

Three towers, top floor with residential suites, swimming pools and gardens, shopping area and garages.

Oh, and don't forget about the two big round windows for eyes and several shapes that look like ears and tusks.

Another exciting high rise building in Bangkok is the robot building architect Sumit Juice.

I designed it for the Bank of Asia Construction finished in 1986 and had to symbolize the computerization of banking.

The architect once admitted that he had been inspired by his son's robot toy.

The Willis Tower, also known as the Sears Tower in Chicago, was designed as a group of nine individual buildings with the same with but with different height.

They range from 50 to 108 stories.

The Willis Tower also hosts the highest observation deck in the US.

While visiting it, you'll find yourself on the 103rd floor at the height of 1353 feet.

Skyscraper architect studied the work of mound termites that live in Africa, South Asia and Australia to create better constructions.

Thes antics build tall mounds, litter with tiny holes.

Fresh air enters through these holes and cools down the structure.

Engineers want to find out how this whole system works.

Then they'd be able to build a skyscraper with a ventilation system, working like the termite mound walls.

Sheridan, whose how hot spring resort in China has an unusual horseshoe shape.

It's not only a cool designer solution but also an engineering move to make the entire construction lighter.

The 30 story building is also earthquake resistant.

Architects have been working on the ideas of very, very tall skyscrapers for years until they realize there has to be Ah, height limit.

Ah, building you create can be as tall as you want, but then it's base has to be wide enough to support it.

But the Earth's surface is curved.

That's why the base will also have its limits.

There are also problems of what materials to use and what skyscraper shape to pick.

And don't forget about the climate that will have a big influence on the whole construction.

Flame towers and Azerbaijan are completely covered with led screens.

They can be seen from the farthest points in the city.

In the evening.

The buildings look like giant flames.

The Exceed 4000 is a project of a hypothetical skyscraper that could become the highest in the world.

More than 2.5 miles tall, with a base of almost four miles across, it would be ableto house one million people.

This monster of a skyscraper would also cost an unimaginable $1.4 trillion to build.

That's why no country has volunteered to construct the Exceed 4000.

Yet even though the blueprints are ready, the second tallest skyscraper in the world, Shanghai Tower, is known for its green features.

It has a 120 degree twist in the middle.

It reduces both the amount of construction material and the wing glow.

There are 270 wind turbines on top of the building they generate more than 10% of the skyscrapers electricity.

The tower also recycles waste water and collects rainwater.

Burj Khalifa has 24,000 windows, and they're washed in an old fashioned way with soap and water, a team of cleaners who are obviously not afraid of heights.

Unlike may work all year round, they only clean the surfaces that are in the shade to avoid getting burns from direct sunlight.

And as we count up all the stories of these magnificent skyscrapers, it's time we bring to a close our architectural tall tales paying.

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