A dusty envelope misplaced in a government archive has rewritten a chapter of mineral history. That 1949 letter, discovered ...

Hidden away in the Bighorns is a mysterious drawing carved on the surface of a massive granite boulder. Dubbed the “Boot Map, ...

It's rare, but hikers do sometimes find treasure. This mouthwatering list of undiscovered fortunes will turn your camping trips into treasure hunts.

The San Jose galleon was believed to be holding gold, silver, gemstones and other treasure worth billions of dollars when it was sunk in 1708.

A metal detectorist has discovered a 1,000-year-old Viking gold arm-ring on the Isle of Man, now on view at Manx Museum.

'Just dumbfounded:' Gold and silver coins discovered buried in Vermont park The hidden valuables were unearthed as part of a multistate treasure hunt created by an author who wanted to celebrate ...

From stolen train riches in 1870 to a Washoe Tribe basket gifted to President Wilson, a trove of lost treasures have vanished in the Sierra.

Train robbery loot from 1870 and a basket gift from the Washoe Tribe to President Wilson are among the treasures lost over the past 180 years.

Treasure hunters claim that a mystery letter reveals the location of a secret tunnel which contains the fabled lost Nazi gold train.

A San Francisco treasure hunter dug up a hidden chest of booty after a mysterious group posted a cryptic treasure map online.

Hikers discovered a cache of gold and treasure in the Krkonoše Mountains in the Czech Republic near the border of Poland which was stashed by people fleeing Nazi Germany.