The Great Wall of China
The Great Wall is the world’s longest human-made structure, stretching over approximately 6,400 km from Shanhai Pass in the east to Lop Nur in the west of China, along an arc that roughly delineates the southern edge of Inner Mongolia. It is also the largest human-made structure ever built in terms of surface area and mass.

The statue of Christ the Redeemer in Rio de Janeiro
Christ the Redeemer is a statue of Jesus Christ in Rio de Janeiro, Brazil. The statue stands 32 meters tall, weighs 700 tons and is located at the peak of the 700-meter Corcovado mountain in the Tijuca Forest National Park, overlooking the city.

The Incan ruins of Machu Picchu
Machu Picchu, a pre-Columbian city created by the Inca, is located above the Urubamba Valley in Peru, about 70 km northwest of Cusco. Forgotten for centuries by the outside world, although not by locals, it was brought back to international attention by archaeologist Hiram Bingham in 1911, who made the first scientific confirmation of the site and wrote a best-selling work about it.

The ancient Mayan city of Chichen Itza in Mexico
Chichen Itza is a large pre-Columbian archaeological site built by the Maya civilization, located in the northern center of the Yucatan Peninsula, present-day Mexico.

The pink ruins of Petra in Jordan
Petra is an archaeological site in Jordan, lying in a basin among the mountains that form the eastern flank of Arabah (Wadi Araba), the large valley running from the Dead Sea to the Gulf of Aqaba. It is famous for having many stone structures carved into the rock. The long-hidden site was revealed to the Western world by Swiss explorer Johann Ludwig Burckhardt in 1812.

The Coliseum in Rome
The Coliseum, originally the Flavian Amphitheater, is a giant amphitheater in the center of the city of Rome, Italy. Originally capable of seating around 50,000 spectators, it was used for gladiatorial contests and public spectacles. The amphitheater, the largest ever built in the Roman Empire, was completed in 80 A.D. under Titus, with further modifications being made during Domitian’s reign.

The Taj Mahal mausoleum
The Taj Mahal is a mausoleum located in Agra, India. The Mughal Emperor Shah Jahan commissioned it as a mausoleum for his favorite wife, Mumtaz Mahal. Construction began in 1632 and was completed in approximately 1648.