New public library opening this August will focus on nature education

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A building topped with a curving, wooden roof and tall glass windows sits on a dirt lot. Grey pipes, in the shape of a tree trunk, rise up to an awning.
McKenzie Lange/CPR News
The new Anythink Nature Library in Thornton, Colo. Friday, March 20, 2026.

Like any library, the Anythink Nature Library will still offer books to check out, but visitors will also be able to borrow outdoor gear and scientific equipment.

“It’s kind of part library, but also part REI,” Mark Fink, Anythink Libraries’ executive director, said on a private early tour of the site. 

Two people n hard hats and yellow vests stand in a large, bright room of curving beige walls.
McKenzie Lange/CPR News
Mark Fink, executive director of Anythink (right) and Maria Mayo-Peaseley, Anythink Nature Library branch manager, give a tour of the new nature library facility in Thornton, Colo., on Friday, March 20, 2026.

Anythink Libraries is Adams County’s library district. The Nature Library will be the district’s eighth branch when it opens in August.

The building is on 140 acres of land called the Aylor Open Space. The open space will have walking trails that are accessible from the library, according to the Nature Library website

The building is still under construction right now, but when completed, it will be 33,000 square feet and feature amenities like a cafe, a sunroom, and climbable boulders.

“This library was actually built around the boulders. They had to be placed first before we could pour any concrete,” branch manager Maria Mayo-Peaseley said while guiding the tour. “It's a place for somebody who might not feel comfortable going rock climbing in the mountains.”

A large boulder the size of a small boulder sits by wooden benches in a beige room.
McKenzie Lange/CPR News
Boulders are built into benches at the new Anythink Nature Library in Thornton, Colo. March 20, 2026.

The project costs $43.4 million, according to the Anythink website. Fink says the design of the building is “environmentally friendly,” with geothermal energy providing heating and more than 300 solar panels that will generate electricity.

The library’s programming extends to outdoor spaces as well, including access to multiple gardens, an amphitheater, and a mud pit.

A building topped with a curving, wooden roof and tall glass windows sits on a dirt lot.
McKenzie Lange/CPR News
A mud pit outside the new Anythink Nature Library in Thornton, Colo. Friday, March 20, 2026.
A hand touches a cloud of vapor that glows orange from lights below.
McKenzie Lange/CPR News
People interact with a vapor installation that looks like fire during a tour of the new Anythink Nature Library in Thornton, Colo. March 20, 2026.

“Before we even had a design for the building, we knew we wanted an experience of muddy, dirty play,” Mayo-Peaseley said. “Our relationships with nature have gotten really tidy, especially for children. This will be a really special space in our community for hands-on play.”

The front entrance is marked by a column made of 40 pieces of steel that weigh around 18 tons, according to Fink.

Bright wood stretches over a the glass windows of a building. Curved pipes, which kind of look like tree branches, rise up beneath it.
McKenzie Lange/CPR News
A structural art piece at the entrance of Anythink Nature Library in Thornton, Colo., on Friday, March 20, 2026.

Anythink is taking community suggestions for programming on its website right now. But library staff are already envisioning what could be.

“I imagine having an herb garden that our staff plant so that customers can come and just snip some herbs for dinner,” Mayo-Peaseley said. “Maybe we plant the three sisters in one of the plots to honor Indigenous gardening techniques. Just a really cool way to access gardening, which can feel inaccessible for many folks.”

Anythink leadership said they consulted with an Indigenous advisory council to design the library. There will be a book section dedicated to Indigenous voices.

“This library is all about building access points for our community no matter who they are, their experience in nature, no matter their background,” Mayo-Peaseley said. “We know that not everyone comes to a relationship with nature from the same place.”

A pile of gravel can be seen through a glass window. Construction materials fill the foreground.
McKenzie Lange/CPR News
The future Open to Sky Kinship Garden at the new Anythink Nature Library in Thornton, Colo. March 20, 2026.

Fink added that Anythink strives to provide resources that resonate with other minority populations. 

“Adams County is a minority majority county, more than 40% of our residents identify as Latine,” he said. “We've really invested in a district-wide diversity, equity, inclusion, and belonging initiative, which really started internally with our staff. And it's also being reflected in the programs and services that we offer.”

The library’s grand opening is slated for Aug. 8.

Chandra Thomas-Whitfield contributed reporting to this story.

Editor's note: A photo caption in this story has been updated to correctly identify the subjects.