Once used for gladiatorial contests in ancient Rome, the Colosseum is one of the greatest works in Roman architecture. This brilliantly-constructed elliptical amphitheatre is capable of seating over 50,000 people.
Combining elements from Persian, Indian and Islamic architecture, the Taj Mahal in India is a beautiful, white-domed mausoleum set around sprawling gardens.
Stretching over 4,000 miles, the Great Wall of China is an architectural wonder which was not built without sacrifice. Approximately 2 to 3 million Chinese died building this wall.
Running from the Dead Sea to the Gulf of Aquaba, the ancient city of Petra is best-known for its amazing display of rock-cut architecture.
Comprised of classical Incan dry stone wall architecture, Machu Picchu in Peru is one of the most familiar symbols of the Inca Empire. The Temple of the Sun and the Room of the Three Windows are highlights of this ancient civilization.
Built by the ancient Mayans, Chichén Itzá houses the Great Temple of Kukulkan, which is 79 feet tall and has four sides with 91 steps each. The four sides added together equal 365; the number of days in a single calendar year.
Standing 120 feet tall atop the Corvocado Mountain of the Tijuica Forest National Park, the breathtaking Christ the Redeemer statue is a 635-ton symbol of Christianity in Brazil.
