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Whether it’s pure nostalgia, obsession, or just plain curiosity, these bizarre items prove that, at the right auction, anything can become a treasure.

Most people spend their $100 bills without a second glance, but some are worth far more than you’d expect. Collectors are on the hunt for special bills with “fancy” serial numbers, and your wallet might be hiding one.

That satisfied feeling after shopping once lasted for weeks. Today, many people find themselves back in the aisle days later, scanning receipts and cupboards, wondering how full bags emptied so fast.

These are the high-paying jobs you can get with just a certificate from a college or online program.

If you find a large sum of cash that was hidden away in a deceased relative's home, the old saying "finders keepers" doesn't necessarily apply.

Jeff Turner was a skilled graphic designer and printer who produced fake US money sophisticated enough to fool members of the Secret Service.

Shark Tank has seen some amazing products go from kickstarter to bestseller. The show has also seen some of the most ineffective and just straight up bizarre inventions possible. Let's take a look at the weirdest Shark Tank products.

The ransomware attack on Colonial Pipeline disrupted fuel supplies on the East Coast in a major wake-up call for infrastructure cyber security.

A lot of people toss out their calendars at the end of the year, but some vintage and antique calendars trade hands for hundreds or even thousands of dollars. We explore styles, eras, storage, and when you may have a great collector’s piece.

Globes have been around for centuries, and some of them can be surprisingly valuable to collectors.

Vintage binoculars are now bringing in serious prices among optics and antique enthusiasts. We explore which ones are valuable to collectors and why.

You may not have realized, but a lot of vintage clocks now bring offers of big money from serious collectors. We look at vintage clocks that bring top dollar, and the pitfalls for collectors to avoid.