Gold's rarity is one reason why it remains a sought-after safe haven. In 2025, the price of the yellow metal saw its biggest increase in years, rising more than 50% as global investors reacted to the uncertainty in the global economy. If all the gold ever mined-some 216,000 tons-were melted together, it would form a cube just 72 feet tall, about the height of a four-story building, according to visualcapitalist.com. Meanwhile, the world's proven and economically recoverable gold reserves total