Here, Live Science takes a look at some of these lost treasures that may never be found. Some of these treasures are now likely destroyed, but some may still exist and one day be recovered.

Location Found Sierra Nevada ... was one of the largest and most valuable deep-ocean treasures ever recovered in U.S. waters. The 2003 discovery of the SS Republic became one of the most ...

An 11-year-old could be in for a big prize after he uncovered some buried pirate treasure ... it is extremely valuable. The Pirates tried to get ahead of it being found way back in November ...

A famed Viking-age silver hoard discovered in Scotland may have belonged to an entire community of people, rather than one ...

A HUGE "fortune” of 400-year-old treasure has been found crammed inside the leg of ... The hoard included a rare “golden angel” coin, gold ducats, various silver coins and hundreds of ...

She then found ... my treasures," Ariana said, as she showed the pull-along trolley stuffed full of trashed goodies. "Just an average upper west side trash day," she captioned the video. "Most ...

Some of the most valuable $2, $50 and $100 bills in circulation could very well be in your pocket, so it’s definitely worth exploring the contents of your wallet to see if anything is worth more ...

This is the commitment of a team of scientists from Scotland who have found an underwater treasure that could finally eliminate diesel fuel from shipping. Neither pirate chests of gold nor oil: the ...

The most valuable items of this kind were stolen toward the ... Unsurprisingly, the searchers found no trace of the lost treasure. In another version of the myth, the regalia were at some point taken ...

Since its debut on our screens in 1997, Antiques Roadshow has delighted viewers with forgotten family heirlooms and bargain treasures ... the guitar the “most expensive thing” he had seen ...