Events calendar

East Bay Anza 250 Symposium

Juan Bautista de Anza National Historic Trail

Apr 11 9:00 am – 4:00 pm

East Bay Anza 250 Symposium explores the expedition’s impact on the East Bay, fosters dialogue about indigenous legacy and its impact today. As our nation approaches its 250th anniversary, land managers, historians, educators, and civic leaders...

Nevada Fossil Day & Art Contest at Ice Age Fossils State Park

Tule Springs Fossil Beds National Monument

Apr 11 9:00 am – 12:00 pm

Come join us at Ice Age Fossils State Park between 9am and 12pm for fossil themed activities. We will have several local organizations present to share information and goodies, including the Protectors of Tule Springs and Tule Springs Fossil Beds...

Critter Chat

Organ Pipe Cactus National Monument

Apr 11 10:00 am – 10:30 am

Join a ranger for a talk about the unique animals that call this deserrt home!

Drawing Class

Tonto National Monument

Apr 11 10:00 am – 12:00 pm

Do you want to become the next Picasso? Come draw with us. Join local Tonto Basin artist Cheryl Fecht & draw the lower cliff dwelling.

Living with Giants (West District)

Saguaro National Park

Apr 11 11:15 am – 12:00 pm

The saguaro celebrates events and faces challenges throughout its life. A biologist explains how it provides shelter and substance for wildlife; when it flowers; its growth patterns; and how it fights for survival against drought, lightning, frost...

Commemoration of the Signing of the Elementary and Secondary Act

Lyndon B. Johnson National Historical Park

Apr 11 11:30 am – 12:30 pm

Join us Saturday April 11 at 11:30 am for a special program at the Junction School! We are commemorating the signing of the Elementary and Secondary Education Act that occurred at the schoolhouse 61 years ago on April 11, 1965. In this program we'll...

The Anza Expedition: A 250th Commemoration Exhibit

Juan Bautista de Anza National Historic Trail

Apr 11 1:00 pm – 4:00 pm

Almost 250 years ago, as the Declaration of Independence was signed on the East Coast, the Anza expedition arrived at its destination on the West Coast. Both of these events would dramatically shape the cultural and political landscapes of the United...

Solar Viewing at the Visitor Center

Gila Cliff Dwellings National Monument

Apr 11 1:00 pm – 4:00 pm

Join us for a safe and fascinating look at the sun! Stop by the Visitor Center anytime between 1:00 PM and 4:00 PM to view the sun through a specially equipped telescope and learn more about our closest star. All ages welcome. No registration...

Ranger Program

San Antonio Missions National Historical Park

Apr 11 2:30 pm – 3:15 pm

Visit the Visitor Center at Mission San José to explore a mission topic with a park ranger.

Sunset Walk/Talk

Organ Pipe Cactus National Monument

Apr 11 5:00 pm – 6:00 pm

A relaxed sunset program, designed for all ages, exploring the plants, wildlife, and people of the Sonoran Desert. Talks change daily; inquire at the Kris Eggle Visitor Center for details.

Sunset Walk/Talk

Organ Pipe Cactus National Monument

Apr 11 5:30 pm – 6:30 pm

A relaxed sunset program, designed for all ages, exploring the plants, wildlife, and people of the Sonoran Desert. Talks change daily; inquire at the Kris Eggle Visitor Center for details.

Evening Program

Organ Pipe Cactus National Monument

Apr 11 7:00 pm – 8:00 pm

A formal interpretive talk on the history, ecology, and/or culture of the Sonoran Desert. Talks change daily; inquire at the Kris Eggle Visitor Center for details.

Alibates Star Party

Lake Meredith National Recreation Area

Apr 11 8:00 pm – 9:00 pm

Alibates Star Party Series — 2026 Join us for three unforgettable nights under the Texas sky! The Alibates Visitor Center invites you to a seasonal stargazing series led by Dr. Arthur Schneider, professor emeritus at Amarillo College. Each evening...

Alibates Star Party

Alibates Flint Quarries National Monument

Apr 11 8:30 pm – 10:30 pm

Alibates Star Party Series — 2026 Join us for three unforgettable nights under the Texas sky! The Alibates Visitor Center invites you to a seasonal stargazing series led by Dr. Arthur Schneider, professor emeritus at Amarillo College. Each evening...

Stars Over The Gila

Gila Cliff Dwellings National Monument

Apr 11 9:00 pm – 10:00 pm

Join us at the Gila Cliff Dwelling's National Monument Visitor Center parking lot to view the stars and other celisteral objects. Bring a red headlamp.