Inside the Three Newest U.S. National Monuments

New monuments declared in California, Nevada, and Texas safeguard tracts of wilderness, from mountains to mammoth bones.

Oak woodlands, rugged mountains, and mammoth bones are among the newest protected natural treasures in the United States, as President Barack Obama is expected to designate three new national monuments Friday.

The president has created more than a dozen new monuments on land and sea during his term, using his authority under the 1906 Antiquities Act. The three new monuments combined total over one million acres, nearly doubling the public lands protected thus far by Obama. They join 117 existing national monuments, which have steadily been created by presidents over the past century. (Learn about controversies surrounding new monuments.)

Here are the newest national monuments:

These Northern California oak woodlands lie about 100 miles (160 kilometers) from the Bay

DON'T MISS THE REST OF THIS STORY!
Create a free account to continue and get unlimited access to hundreds of Nat Geo articles, plus newsletters.

Create your free account to continue reading

No credit card required. Unlimited access to free content.
Or get a Premium Subscription to access the best of Nat Geo - just $19
SUBSCRIBE

Read This Next

Is banning fishing bad for fishermen? Not in this marine reserve
SeaWorld allegedly violated the Animal Welfare Act. Why is it still open?
'World’s worst shipwreck' was bloodier than we thought

Go Further

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet