Museum open today 1 - 9 p.m.

Plan Your Visit

Explore artifacts and natural history, learn with hands-on activities, delve into active research and astronomy, or enjoy a show in Idaho's largest planetarium.

Admission

Admission to the museum galleries, distinguished speaker forums, and art exhibits is always free! Many events at the Observatory are free. There is a small per-seat fee for the planetarium shows. 

Driving Directions

The Herrett Center is centrally located in the Magic Valley in Twin Falls, ID on the north side of the CSI campus.

Google Maps Driving Directions

Campus Map (PDF)

Herrett Center for Arts and Science
The College of Southern Idaho
315 Falls Avenue
Twin Falls, ID 83301

Happening Today

See what's happening today at the Herrett Center! There's always a variety of activities for families, researchers, students, and citizen scientists.

Find Today's Events

Museum Hours

Tuesdays 9:30 a.m. - 9:00 p.m.
Wednesdays 9:30 a.m. - 4:30 p.m.
Thursdays 9:30 a.m. - 4:30 p.m.
Fridays 9:30 a.m. - 9:00 p.m.
Saturdays 1:00 p.m. - 9:00 p.m.
Closed Sundays, Mondays, and Federal holidays. Admission to the museum is always free.

Upcoming Events

Planets above the text Telescope Tuesday
Telescope Tuesday

📅 Tuesday, December 09 | ⏰ 6:00 PM - 9:00 PM
📍 Centennial Observatory

Join us under the stars for Telescope Tuesday in the Centennial Observatory! 

Check out:

  • Saturn
  • Neptune
  • Uranus
  • Double/Multiple Stars
  • Deep-Sky Targets
  • and more!

Admission: $1.50, ages 6 and under free, free to all with paid planetarium admission.

Observatory events are weather permitting. All ages welcome.

Check out other Observatory events!
Three cartoon penguins in winter outfits
Winter Snowflake Study
📅 Friday, December 12 | ⏰ 5:00 PM - 8:00 PM
$10
Bring your kiddos to the Herrett Center for a fun and creative day filled with snowflake-themed crafts! This hands-on event is the perfect way to celebrate the winter season and spark your child’s imagination. Young artists will get to paint beautiful snowflake salt-art masterpieces and design their very own ornaments to take home—perfect keepsakes to treasure or gift for the holidays. All materials will be provided, and our friendly staff will be there to help guide each project. Come make some cozy winter memories and let your child’s creativity shine!
This activity is limited to 50 participants.
Get Tickets Online
Monthly Free Star Party

Monthly Free Star Party
📅 Saturday, December 13 | ⏰ 6:00 PM - 9:00 PM
📍 Centennial Observatory

Join us under the stars for our December Free Star Party at the Centennial Observatory!

Check out Saturn, Neptune, Uranus, Jupiter (after 8:51 PM), double/multiple stars, and more!

Observatory events are weather permitting. All ages welcome.

Check out other Observatory events!
Astronaut over a green background with the text Science Fair
Science Fair 2025
Science isn't just for kids - it's for everyone with a curious mind! Join us for our 1st annual Community Science Fair, open to participants from 6th grade through adulthood.
 
Bring your best ideas, experiments, or research to life and share them with the Twin Falls Community. Projects will be on display for a couple of weeks, giving visitors the chance to explore a wide range of scientific creativity and insight.
Learn more
Volunteers talking with guests about snakes, with snakes in tanks between them
Reptile Revue

1st & 3rd Tuesdays | 6 PM – 7 PM | FREE

Get up close and personal with some of the coolest cold-blooded residents of the Herrett Center! Reptile Revue happens twice a month and gives you the chance to meet our fascinating reptiles, learn fun facts, and even interact with them in a safe and educational setting.

Upcoming Reptile Revue Events:

December 16th

January 6th and 20th

February 3rd and 17th

Image of a humpback whale
Humpback Whales
Dive beneath the waves and uncover the wonders of one of nature’s most extraordinary marine mammals in Humpback Whales, opening on December 26 in the Faulkner Planetarium. Narrated by Ewan McGregor, this immersive ocean adventure transports you to the breathtaking waters of Alaska, Hawai‘i, and Tonga for an up-close look at how these gentle giants communicate, sing, feed, and care for their young. Experience stunning footage captured with IMAX® 3D cameras as researchers reveal why humpbacks are the most acrobatic of all whales and unlock the mysteries behind their haunting songs. Learn how these 55-foot, 50-ton travelers complete one of the longest migrations on Earth—and how they’re making a remarkable comeback after near extinction. It’s a journey you won’t want to miss.
Get tickets online

Field Trips and Group Tours

Field trips and educational group events are welcome! Choose from our tour options or request a custom theme when you book a field trip.

 

Accessibility

The Herrett Center for Arts & Science is committed to making our collections, building, programing, and services accessible to all audiences.

Open Caption is available for most Faulkner Planetarium Shows. To request this service, please let the cashier at the front desk know when purchasing tickets.

The Centennial Observatory features one of the world’s largest fully wheelchair-accessible public telescopes. An elevator takes visitors up to the observatory space, once there, a wheelchair elevator is available to take visitors with limited mobility to the observatory deck. The ARE-125, an optical “periscope” designed by DFM, allows unprecedented access to the telescope for wheelchair-bound or limited-mobility visitors.

For questions concerning accessibility prior to your visit, please call the Herrett Center front desk at 208-732-6655.

Inside Map of the Herrett Center

floorplan map