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The Benjamin Franklin National Memorial is located in the rotunda of Pennsylvania's most-visited museum, The Franklin Institute in Philadelphia. The centerpiece of the memorial is a dramatic 20-foot high marble statue of Benjamin Franklin.
Sculpted by James Earle Fraser, the statue weighs 30 tons and sits on a 92-ton pedestal of white Seravezza marble. Originally opened in 1938, the rotunda was designed by architect John T. Windrim and modeled after the Pantheon in Rome.
It measures 82 feet in length, width and height. The domed ceiling is self-supporting and weighs 1600 tons. The floors, walls, columns, pilasters and cornices are made of rare marbles from Portugal, Italy and France.
Heart Anatomy and Physiology features the "Giant Walk-Through Heart," originally built in 1954 as a temporary exhibit entitled "The Engine of Life." The two-story heart, the largest walk-through heart in the country, would be the accurate size for a 220-foot tall person.
Upgrades include new sound and lighting effects, as well as a 3D monitor that recreates the experience for guests who cannot or who do not wish to walk through the heart. Heart Anatomy and Physiology also features "A Heart Spiral" sculpture with a slowly rotating spiral of animal heart models, showing that different sized animals have different sized hearts.
Visitors are able to take their own electrocardiogram reading on the "EKG Machine." "The Heart Across Time and Other Cultures" focuses on the meaning of the heart in other cultures and specific medical mythology surrounding the heart.
Health and Wellness focuses on the importance of exercise and healthy diets in maintaining a balanced lifestyle. A human skeleton running on a cross training machine shows visitors the skeleton's internal workings during exercise.
Two enclosed audio booths show visitors the connection between relaxation techniques and the lowering of one's heart rate. "The Talking Vending Machine" describes the nutritional value and misconceptions of each of its 16 food items.
The 8-foot long "Crawl Through Arteries" device allows children to pretend they are a blood cell navigating through clear and clogged arteries. Blood includes the "Blood Fountain," representing its components-plasma, red and white blood cells, and platelets.
The "Bucket of Blood" device measures a visitor's body mass based on his or her weight. A faucet from above pours a liquid representing blood into a clear tube showing how much blood is in his or her body.
The featured centerpiece of Electricity is a Sustainable Dance Floor, which generates power to illuminate itself as people move on the tiles. Visitors will witness a spectacular electrical discharge from a giant Tesla coil overhead.
To delve into Benjamin Franklin's pioneering studies, visitors browse through an electronic copy of his book "Experiments and Observations on Electricity." As visitors stop at key passages, relevant historical and modern artifacts from The Franklin Institute's collection are illuminated along a wall display.
"Build a Circuit," an open-ended activity bench, invites visitors to arrange combinations of electronic components together in order to successfully create a working circuit. This engaging activity builds on multiple levels of knowledge and provides an opportunity for families to learn together.
An art installation, "Electrical Signals," is an array of light-emitting diodes (LEDs) that respond to electrical signals imperceptible to the human eye. As visitors make a call or send a text message from their own cell phones, the transmitted signals cause the LEDs to light up.
The Amazing Machine exhibit allows visitors to flow through a machine-like room highlighted by three stunning kinetic mechanical art installations. Everyday machines are displayed in "exploded" views.
Their parts, separated and visible, allow a bird's eye view of the interior of such workhorses as the household vacuum cleaner, power drill and thermostat. Interactivity is a central element of Amazing Machine.
Visitors are invited to experience how components like gears, cams, pulleys and linkages, and different kinds of power sources and control mechanisms all work together in machines. Among the machines from The Franklin Institute is the model of the famous six-foot-tall model of the Strasbourg cathedral clock.
