1. Uluru
   Sydney Opera House
2. Ballarat
   Port Arthur

The Sydney Opera House is one of the most recognizable landmarks in the world, opening in 1973. The fact that it wasn't even complete didn't stop American singer and actor Paul Robeson from serenading the construction workers in 1960 with "Ol' Man River" during their lunch break.

1. Hampi Monuments
   Golden Temple
2. Taj Mahal
   Red Fort

The Taj Mahal is a national treasure and one of the New Seven Wonders of the world. It took over 20,000 workers around 20 years to build this mausoleum for the Emperor Shah Jahan's late wife, Mumtaz.

1. The Great Temple
   The Royal Tombs
2. Obelisk Tomb
   Petra

The architects of the city of Petra knew a thing or two about city planning for the seat of the Nabataean Empire. They devised sophisticated waterways and tunnels that formed human-made water in the middle of a desert.

1. Christ the Redeemer Statue
   Sugarloaf Mountain
2. Ipanema
   Copacabana

The 98-foot-tall Christ the Redeemer statue is closely associated with Rio and Brazil. Started by the Catholic Church in Rio, the first stone was laid on the summit of Mount Corcovado in 1921. Construction began in 1926 and finished in 1931.

1. The Forbidden City
   Terracotta Warriors
2. The Great Wall of China
   Summer Palace

The English translation of the Chinese name for the Great Wall of China is "Long Wall." It's appropriate because the wall comes in at a length of 13,170 miles. It was built to protect the Qin dynasty.

1. The Kremlin
   St. Basil's Cathedral
2. Catherine Palace
   Cathedral of St. Sophia

St. Basil's Cathedral is an iconic symbol of Russian architecture. It was named after a saint who was known as the "holy fool," and even Ivan the Terrible both feared and respected him at the same time.

1. Gamble House
   Alcatraz Island
2. Balboa Park
   Golden Gate Bridge

The Golden Gate Bridge's original reddish-orange hue was initially supposed to be a temporary primer color. But one of the architects preferred the unusual "international orange" color.

1. Roman Forum
   Leaning Tower of Pisa
2. Cathedral of Santa Maria del Fiore
   Ponte Vecchio

Construction on the Leaning Tower of Pisa began in the late 12th century and took over 200 years to complete. Originally, it was intended to stand straight but took to a side angle over time as it was being built. It stands in an area called the Square of Miracles.

1. Buckingham Palace
   Big Ben
2. Tower of London
   Westminster Abbey

As the days of monarchs dwindle around the world, Buckingham Palace still thrives and has stood the test of time to remain a working royal palace. One of the main attractions of this site is the changing of the guard.

1. Chan Chan
   Iquitos
2. Macchu Pichu
   Colca Canyon

Macchu Pichu is a living testament to Incan ingenuity. The sprawling stone structure was built 8,047 feet above sea level on top of a mountain. Because of the elevation, it's recommended that visitors spend the night in a nearby town before trekking to the sight.

1. Plaka
   Mount Olympus
2. Herodes Atticus Theater
   The Acropolis

The Acropolis seems like it was pulled out of the stories of Greek mythology. The ruler Pericles built it during the "golden age" of Athens as a tribute to the city and the goddess, Athena.

1. La Rambla
   Casa Mila
2. Park Guell
   La Sagrada Familia

Barcelona's most famous architect, Gaudi, started his colossal masterpiece La Sagrada Familia in 1882 and is now in its final stage of construction. Project architects estimate the famous temple will finally be complete in 2026.

1. Washington Monument
   Mount Rushmore
2. Fort McHenry
   Monticello

Mount Rushmore is a landmark in the Black Hills of the state of South Dakota. The carved heads of Washington, Jefferson, Roosevelt, and Lincoln stand an imposing 60 feet tall of Harney Peak granite.

1. Valley of the Kings
   The Great Sphinx
2. The Great Pyramid of Giza
   Colossi of Memnon

Older than 4,000 years old, The Great Pyramid of Giza and the other pyramids were among the great mysteries of the world for centuries. It is one of the few structures of the ancient world still standing.

1. Burj Khalifa
   Palm Jumeirah
2. Deira Clock Tower
   Al Fahidi Fort

At 2,716 feet high, the Burj Khalifa has the distinction of being the tallest free-standing building on the planet. Tourists can see the glitz and glitter of Dubai from one of 160 stories.

1. Brooklyn Bridge
   Grand Central Terminal
2. Old Whalers' Church
   Statue of Liberty

One of the most famous landmarks of the United States, the government of France gave the Statue of Liberty to the U.S. in 1886 to commemorate the friendship between the two nations. It is also a worldwide emblem of freedom.

1. Cheddar Gorge
   Durdle Door
2. Stonehenge
   The Needles

Situated 88 miles outside of London, Stonehenge is less than a day away from the city but couldn't be more different from its urban neighbor. It took ancient people around 1,000 years to build, and no one really knows what prehistoric societies used it for.

1. Cu Chi Tunnels
   Ha Long Bay
2. My Son
   Hue

Ha Long Bay is 168 square miles comprised of over 1,600 limestone islands on beautiful, clear green and turquoise waters. The spellbinding caves and caverns are scattered all over the bay.

1. Eiffel Tower
   Sacre-Coeur
2. Les Invalides
   Moulin Rouge

The Eiffel Tower has come to be one of the enduring symbols of Paris. The original purpose of the tower was to display French industrial might at the World's Fair of 1889, and then it was to be destroyed after 20 years. Clearly, the government changed its mind.

1. London Eye
   Lloyd's Building
2. The Shard
   Swiss Re Building

The Swiss Re Building, also known as the Gherkin due to its striking resemblance to a pickle, is constructed of 10,000 tons of steel. At 500,000 square feet, it stands out along the London Skyline.

1. New York Vietnam Veterans Memorial Plaza
   American Merchant Mariners' Memorial
2. National September 11 Memorial
   General Grant National Memorial

Ten years after 9/11 occurred, a memorial was unveiled to honor that fateful day in American History. Two reflecting pools and 400 white oaks now occupy the space where the Twin Towers once stood.

1. W Hotel
   Diagonal Zero Zero
2. Torre Glories
   Mount Tibidabo

The Torre Glories is a representation of the contemporary rebirth of Barcelona. Although many say it is similar to the Swiss Re building in London, the architect says he looked to Montserrat and La Sagrada Familia for inspiration.

1. Bridge of Sighs
   Constitution Bridge
2. Scalzi Bridge
   Rialto Bridge

Of the five bridges that cross the Grand Canal in Venice, the Constitution Bridge is the newest. Made of glass and marble and intended to be a footbridge, four pranksters drove a car on it in the early morning hours.

1. Modern Art Museum
   Winspear Opera House
2. Flatiron Building
   St. Patrick Cathedral

Tadao Ado's unique concrete and glass structure, the Modern Art Museum of Fort Worth is not just contemporary in its art. It's contemporary in its architecture with 40-foot glass walls sitting on a reflecting pool.

1. CCTV New Tower
   Summer Palace
2. Temple of Heaven
   National Stadium

The National Stadium of Beijing, nicknamed the Bird's Nest, was not only unique for its place in history. It's even more significant because it is the biggest steel structure on the planet.

1. Empire State Building
   Rockefeller Center
2. Metropolitan Opera House
   Radio City Music Hall

Although it was built in 1931, the Empire State Building is still in the top 50 tallest buildings in the world. On two separate observation decks, visitors can see all of New York City.

1. Olympiasta
   Camp Nou
2. Allianz Arena
   Stamford Bridge

The Allianz Arena of Munich, Germany looks like a cross between a tire and a rectangular golf ball. It is the home of the football squad, F.C. Bayern Munich and is known for lighting up in either red, white or blue at night.

1. The Bund
   Shanghai Tower
2. Yuyuan Garden
   Oriental Pearl TV Tower

While the Shanghai Tower may be second in the world in height behind the Burj Khalifa, it's first in other areas. It has the highest observation deck in the globe and the fastest elevators.

1. Victoria Falls
   Tugela Falls
2. Lisbon Falls
   Howick Falls

Victoria Falls is impressive for its sheer magnitude. It stretches across a mile and pumps about 500 million liters of water down per minute. A local tribe called it "The Smoke that Thunders."

1. Alexander Garden
   Armoury Chamber
2. Cathedral of Christ the Savior
   State Hermitage Museum

The State Hermitage Museum in St. Petersburg was once the Winter Palace of the Romanovs. After the Russian Revolution, it was turned into a museum that has one of the best art collections in the world.

1. Carthusian Monastery
   Royal Chapel of Granada
2. Alhambra
   Generalife

The Alhambra wasn't just a palace for the Nasrid Dynasty. It was an ancient fortress that actually means "red fort" in Arabic and the only surviving piece of the Islamic Golden Age.

1. Mount Kilimanjaro
   Drakensberg
2. Rwenzori Mountains
   Semien Mountains

At 20,000 feet, Mount Kilimanjaro has no equal in height, but about 25,000 rock climbers try their luck every year. Those who reach the summit of Uhuru Peak, write about the moment in a book that sits in a box there.

1. Place de la Concorde
   Arc de Triomphe
2. Louvre
   Montmartre

Originally initiated by Napolean in 1806, the Arc de Triomphe was completed by King Louis-Philippe in 1836. It is the cornerstone of celebration in France, especially for Bastille Day on July 14th.

1. Markt
   Atomium
2. Manneke Pis
   Grand-Place

After being nearly destroyed by war, the Grand-Place of Brussels, Belgium still stands in the city center. In 1998, it was recognized by the United Nations as a World Heritage Site.

1. El Tatio
   Valle de la Luna
2. Easter Island
   Atacama Desert

The Polynesian settlers of Easter Island, the Rapa Nui, created 900 human-like statues called "moai" in what is now Chile. It is believed that the Rapa Nui lasted until about the 16th century, but no one is sure why their civilization ended.