Silver

This colossal underground passage paved the way for large-scale drainage and access tunnels across the U.S., but it almost wasn’t built.

A difficult trail leads to interesting ruins in a remote canyon in the Toiyabe Range.

Once one of the largest sites of silver deposits in Italy.

Equipment used to mine silver and lead has been preserved in this almost-ghost town in northern Nye County.

These egg-shaped buildings constructed by Jesuits house a quaint museum in the Andes.

This monument celebrates this shopping district's past history as a feudal silver mint.

Behind one of the world's most impenetrable vaults is a massive collection of retail silver.

This colonial mining complex is now home to magnificent themed gardens.

A shining treasure trove of fine Mexican silver dating back to the 15th century.

The picturesque remains of an abandoned silver mine slope down to Tagish Lake in the Yukon.

A little-visited ghost town state park offers a glimpse into Montana’s "Silver Queen."

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

A significant cache of prehistoric valuables is on display in an unassuming museum tucked inside a town hall.