The oldest covered railroad bridge still standing in the United States.

Generations of rockhounds got their start at this beloved, historic mine.

Nature and religion are reunited at this unconventional church in the forest.

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.

A long-forgotten Victorian swimming hole is still a fun spot for a dip.

This New England drive-in was built to straddle the border between two states.

The once-abandoned 140-year-old hotel used in the movie "In Dreams."

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

Even Henry David Thoreau found this glacial pothole irresistible.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

Much of the spectacular canyon followed over a century ago by the Los Angeles & Salt Lake railroad is now accessible to cars.

An abandoned cyanide mill is now a haunting magnet for graffiti and illegal parties.

An isolated early 20th-century gold mine in the remote Pine Forest Range contains much preserved equipment.

The first project by the Bureau of Reclamation illustrates both the upsides and downsides of reclamation.

The sump of the landlocked Carson River is a haven for wildlife.

The only United States mine for magnesium carbonate has been operating continuously since the 1930s.

An improbable water gap where the West Walker River, paralleled by a state highway, crosses the Singatse Range between Smith and Mason Valleys.

The site of an improbable and ill-fated attempt to use dammed floodwaters for irrigation.

A remarkably well-preserved brick chimney from a smelter dating to the 1860s is all that remains of this former mill.

It bustled briefly in the late 1860s, but little is now left at this stage stop on the Hamilton/Pioche Stage and Freight Road

A deep toxic lake fills this abandoned open-pit copper mine, now a Superfund site.

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

This little-used trail winds through the highest mountain range in central Nevada with sections around 10,000 feet.

An abandoned mine serves as a stark memorial of when mercury was a valued strategic metal.