Deconstructing History: The Pentagon

With 17.5 miles of corridors and a total floor area of 6.6 million square feet, the Pentagon is a military complex like no other. Watch to find out more.

Deconstructing History: The Vatican

Did you know the Vatican is the smallest nation-state in the world? Get the facts on the seat of papal power. Watch to find out more.

Deconstructing History: Grand Central Terminal

Grand Central Terminal is one of America's busiest train stations, with over 700,000 people passing through it every day. Watch to find out more.

Deconstructing History: St. Patrick's Cathedral

St. Patrick's Cathedral is the largest gothic Roman Catholic cathedral in the U.S. and was at one time the largest church in the country. Watch to find out more.

Deconstructing History: White House

The White House was the largest house in the United States until after the Civil War.
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Deconstructing History: The American Flag

In 1818, Congress decided that Old Glory would forever have 13 stripes, but the number of stars would always match the number of states. Watch to find out more.

Deconstructing History: Empire State Building

The world-famous Empire State Building is a symbol of New York City and has its own zip code. Watch to find out more.

Deconstructing History: Mount Rushmore

Mount Rushmore cost more than $1 million to build--that's $11 billion in today's money.
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Deconstructing History: Buckingham Palace

The Queen's official London residence, Buckingham Palace has a helipad and a lake. Watch to find out more.

Deconstructing History: Big Ben

The name Big Ben actually refers to the bell inside the clock tower, not the tower itself.Watch to find out more.

Deconstructing History: Taj Mahal

Originally built by Emperor Shah Jahan to house the tomb his wife, the Taj Mahal took over 20 years to complete. Watch to find out more.

Deconstructing History: The Great Wall of China

The Great Wall of China took over 2,000 years to build. Watch to find out more.

Deconstructing History: Golden Gate Bridge

The cables supporting the Golden Gate Bridge contain 80,000 miles of wire, but the bridge is only 1.7 miles long. Watch to find out more.

Deconstructing History: Ellis Island

More than 12 million immigrants passed through Ellis Island during its 62 years of operation. Watch to find out more.

Deconstructing History: Eiffel Tower

Built for the 1898 World's Fair, the Eiffel Tower is held together by more than 2.5 million rivets.
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Deconstructing History: Statue of Liberty

The Statue of Liberty weighs more than 400,000 pounds.
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Deconstructing History: Hoover Dam

The Hoover Dam supplies electricity to more than 20 million people.
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Deconstructing History: Titanic

The Titanic weighed more than 46.000 tons and burned through 650 tons of coal each day.
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Deconstructing History: The Great Pyramid

The Great Pyramid was the tallest structure in the world for close to 4,000 years.
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Deconstructing History: Ireland

In Ireland, it can rain more than 225 days per year.
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Deconstructing History: Colosseum

Built in 70 A.D., the Colosseum could hold 50,000 spectators.
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Deconstructing History: Aircraft Carriers in Vietnam

A total of 17 aircraft carriers participated in the Vietnam War.
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Deconstructing History: Cu Chi Tunnels

The Cu Chi tunnels burrowed more than 30 feet underground, and stretched for over 120 miles.
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Deconstructing History: Vietnam

Discover facts, figures and history about Vietnam.
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Deconstructing History: Huey Helicopters in Vietnam

More than 5,378 Huey helicopters were used during the Vietnam war.
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Deconstructing History: North Pole

During the winter, the ice sheet around the North Pole can grow to the size of the United States.
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Deconstructing History: Mayflower

Thirty-one children made the journey to America aboard the Mayflower, and one was born along the way.
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Deconstructing History: Samurai

A samurai always carried two swords, and viewed them as an extension of his soul.
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Deconstructing History: Tyrannosaurus Rex

The T. Rex lived 65 million years ago, but is one of the largest and strongest carnivores of all time.
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Deconstructing History: Berlin Wall

More than 5,000 people managed to escape over the Berlin Wall--one did it by air balloon.
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Deconstructing History: Spartans

Although the fearsome Spartan army dominated Greece for a century, they were most famous for a defeat.
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Deconstructing History: Acropolis

The Acropolis covers seven acres in the heart of ancient Athens and is home to the Parthenon, the city's most famous ruin.
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Deconstructing History: The Alamo

At the Battle of the Alamo, 200 Texans faced off against a Mexican army of 5,000.
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Deconstructing History: Pompeii

During the eruption of Mt. Vesuvius, a 1300-degree avalanche of pumice and ash rolled down the mountain toward Pompeii at 70 miles per hour.
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