The Golden State Fence Company, hired to build part of the US-Mexico border wall, was fined US$5M for hiring illegal immigrant workers.
The Golden Gate uses the largest bridge cables ever made, long enough to encircle the world more than 3 times at the equator.
The world's largest gold bar weighs 250 kg (551 lb).
The world pours more steel in an hour than it has poured gold since the beginning of recorded history.
The most valuable legal tender coin in the world is a US$1 million coin from Australia. Since it weighs 1,000 kg and is 99.99% pure gold, it is worth almost US$45 million.
Small traces of gold have been found in the leaves of Eucalyptus trees.
Six ten-billionths of the Sun is gold. Or about 1,200,000,000,000,000,000,000 kgs.
Over 6 milligrams of gold are lost every year from a Wedding Ring just by wearing it.
Our bodies contain about 0.2 milligrams of gold, most of it in our blood.
Olympic Gold Medals only contain 1.34% of gold.