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The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)

New Seven Wonders of the World

Hindu Holi Festival celebrations with colored water, powder and colorful flower petals thrown over celebrants at a Hindu temple in Mathura, Uttar Pradesh, India on March 24, 2021.

Holi: Festival of Colors

A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England

Inventors and Inventions of the Industrial Revolution

Statue of Liberty in front of the skyline of Manhattan, New York City, New York.

Who Was the Woman Behind the Statue of Liberty?

Common, or southern, cassowary (Casuarius casuarius).

8 Birds That Can’t Fly

Amendments 1-10 to the Constitution of the United States constitute what is known as the Bill of Rights on an American flag.

What Is the Emoluments Clause?

Bar graph of the United States Death Toll during major events. Infogram chart.

U.S. Death Toll During Major Events

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falcon plumage

Learn about this topic in these articles:

characteristics of falcons

In falcon
Falcons have plumes called “flags” on their legs and a notch in the beak that is well developed in the genus Falco to form a “tooth.”
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