Skip to main content
Domain Navigation
NHMLAC
Natural History Museums of LA County
NHM
Natural History Museum
Tar Pits
La Brea Tar Pits
Hart
William S. Hart Museum
Global
Calendar
In L.A.
Stories
Join & Give
SHOP
Members
Login
Search Bar
Close
Natural History Museum
Buy Tickets
Calendar
Search
Close
Toggle Site Menu
NHM Main navigation
Primary Navigation
Plan Your Visit
Expand
Plan Your Visit
Parking and Directions
Free Hours and Admission
Museum Map
Accessibility
Shopping and Dining
Group Visits
Members admission is always free
Experience the Museum
Expand
Experience the Museum
Exhibitions
Calendar
Programs
Expand
Programs
Adult
Families
Youth
Educators & Students
Expand
Educators & Students
Field Trips
Internships
Homeschool Days
Mobile Museums
Learning Resources
Virtual School Programs
Educator Workshops
STEAM Pathways at NHMLAC
Research & Collections
Expand
Research & Collections
Digitized Collections
Departments
Grants & Opportunities
Our Expeditions
Tools & Resources
Buy tickets
Search
NHM Main navigation
Primary Navigation
Plan Your Visit
Expand
Plan Your Visit
Parking and Directions
Free Hours and Admission
Museum Map
Accessibility
Shopping and Dining
Group Visits
Members admission is always free
Experience the Museum
Expand
Experience the Museum
Exhibitions
Calendar
Programs
Expand
Programs
Adult
Families
Youth
Educators & Students
Expand
Educators & Students
Field Trips
Internships
Homeschool Days
Mobile Museums
Learning Resources
Virtual School Programs
Educator Workshops
STEAM Pathways at NHMLAC
Research & Collections
Expand
Research & Collections
Digitized Collections
Departments
Grants & Opportunities
Our Expeditions
Tools & Resources
Follow Us
https://www.facebook.com/nhmla
https://twitter.com/nhmla
https://www.instagram.com/nhmla
http://pinterest.com/nhmla/
http://www.youtube.com/user/NHMLA
Stay up to Date
Sign up for newsletter
Global
Calendar
In L.A.
Stories
Join & Give
SHOP
Members
Login
Footer
About Us
Press & Filming
Terms of Use
Museum Store
Contact Us
Privacy Policy
Host an Event
Careers
Domain Navigation
NHMLAC
Natural History Museums of LA County
NHM
Natural History Museum
Tar Pits
La Brea Tar Pits
Hart
William S. Hart Museum
Breadcrumb
Stories
At Arm's Length
At Arm's Length
Understand deep time by plotting out the history of Earth along your arms!
Share:
Share page on facebook
Tweet this page
Watch video
To explore more about Deep Time and support the incredible research and education NHMLAC offers, visit
Dinosaur Ball 2023
.
Share:
Share page on facebook
Tweet this page
