Andrew Carnegie, one of the richest Americans ever, never carried any cash. He was once put off a London train because he did not have the fare.
The Sears Tower contains enough phone wire to wrap around the earth 1.75 times and enough electrical wiring to run a power line from Chicago to Los Angeles.
Baked beans are an extremely popular dish in Great Britain. The British, according to records, consume twice as much baked beans per capita as do the Americans.
Seals can withstand water pressure of up to 850 pounds per square inch.
Auto racer Dan Gurney was one of the first U.S. drivers to use rear-engine race cars. He won the Le Mans race (1967), and finished second in the Indianapolis 500 twice (1968 and 1969).
Primitive blue-green algae grow in hot springs near Yellowstone's steaming geysers, defying scientific expectations by enduring and thriving in water temperatures as high as 160 degrees F.