While that torn-up avocado green sofa in your basement might not be worth a fortune, there are plenty of things from the 70s that have surprising value. From iconic toys to kitchen gadgets, keep an ...

From billion-dollar yachts to diamond watches and rare art, explore 15 of the most expensive things ever purchased by the ...

So, you're gearing up for a spring cleaning marathon and thinking about donating some of those old clothes, books, or kitchen ...

The world’s most expensive substances command their prices for very different reasons. Some, like rare gemstones, are valuable because nature produces them in such limited quantities. Others, such as ...