We asked metal-detector experts from the United States and Europe about the best tools for everyone, from total beginners to seasoned detectorists, including Garrett Ace 250, Minelab VANQUISH 440 ...

The vast majority of metal detectors can sense metal objects up to 6 inches deep in the ground, which is where you'd expect to find the most sought-after things like coins, rings, and other jewelry.

You can find ultra-basic metal detectors that cost under $100 and ultra-specialized metal detectors that cost $4,000 or more. As the price goes, so do the features—a bewildering array of them.