The first modern Ferris Wheel was designed and constructed by George Washington Ferris as a landmark for the 1893 Worlds Columbian Exposition in Chicago. The term Ferris wheel later came to be used generically for all such structures. As of 2012, the Singapore Flyer at 541 feet high is the world’s tallest wheel.
Located in Philadelphia, Pennsylvania, the Liberty Bell is an iconic symbol of American independence. Upon the bell read the words "Proclaim LIBERTY throughout all the land unto all the inhabitants thereof." It weighs 2,080 pounds and is suspended from what is believed to be its original yoke, made of American elm.
A tower designed to emit light for marking dangerous coastlines, hazardous shoals, hidden reefs and also to help guide ships into safe harbors. Often these towers are cylindrical in order to avoid damage from strong winds.
This bird house is modeled after a wren’s ideal home. Wrens aren't picky about their homes and will nest in small, plain houses. Just make sure the entry holes measure about 1 inch in diameter to let the wrens in and keep predators out.
The term windmill derives from their use to mill grain. The first windmills appeared in Europe during the 12th century in northwestern France and southern England. At their peak of popularity some windmills were able to produce more than 1.5 megawatts of power, a level not reached again until 1988.
The Sago Palm Tree (Cycas revolute) is often called a “living fossil” because it is one of the most primitive seed plants alive today. Its origin traces back to ancient flora of the Mesozoic era more than 200 million years ago. It is easily recognizable due to its distinctive whorled feathery leaves.