Sir Terry Pratchett

https://www.terrypratchettbooks.com/

Classic-Castle.com

http://www.classic-castle.com/

Sandwich Medieval Trust

https://sandwichmedieval.org/

Städtebund die Hanse

https://www.hanse.org/en/

NASA Goddard Space Flight Center

https://www.nasa.gov/goddard

NASA Johnson Space Center

https://www.nasa.gov/centers/johnson/home/index.html

Dinosaur Valley State Park, Texas

https://tpwd.texas.gov/state-parks/dinosaur-valley

The Abraham Lincoln Association

https://abrahamlincolnassociation.org/

Skymaps.com

http://www.skymaps.com/

BookRiot

https://bookriot.com/

WebDiplomacy

 https://webdiplomacy.net/

Mindwebs: Michael Hanson's Official Tape Archive

https://archive.org/details/MindWebs_201410

Beyond Solitaire

http://www.beyondsolitaire.net/

Association of Non-Traditional Students in Higher Education

https://www.myantshe.org/

International Commission on Stratigraphy

https://stratigraphy.org/

Naval History and Heritage Command, U.S. Navy

https://www.history.navy.mil/

Captain Cook Society

https://www.captaincooksociety.com/

National Interagency Fire Center

https://www.nifc.gov/

The Viking Age Archive

https://www.thevikingagearchive.com/

The Classic Typewriter Page

https://site.xavier.edu/polt/typewriters/

Orion's Arm Universe Project

 https://www.orionsarm.com/

Love in the Time of Chasmosaurs

https://chasmosaurs.com/

Herpetologists' League

https://herpetologistsleague.org/

The Mini Time Machine Museum of Miniatures

https://theminitimemachine.org/

Mythic Mississippi Project

https://mythicmississippi.illinois.edu/

Association of State Dam Safety Officials

https://damsafety.org/

American Rivers

https://www.americanrivers.org/

The Geological Society of America

https://www.geosociety.org/

Geology.com

https://geology.com/

The Wombat Awareness Organization

https://www.wombatawareness.com/

Wombat Protection Society of Australia

https://www.wombatprotection.org.au/

Science Fiction Research Association

http://www.sfra.org/

The Encyclopedia of Science Fiction

http://www.sf-encyclopedia.com/

Science Fiction and Other Suspect Ruminations

https://sciencefictionruminations.com/

Abraham Lincoln Bookshop

https://alincolnbookshop.com/

Abraham Lincoln Online.org

http://www.abrahamlincolnonline.org/index.html

Paul Kidby Art

https://www.paulkidby.com/

Library of Congress Abraham Lincoln Papers

https://www.loc.gov/collections/abraham-lincoln-papers/about-this-collection/

Boeing Starliner

https://www.boeing.com/space/starliner/

Super Planet Crash

http://www.stefanom.org/spc/

PlanetPlanet

https://planetplanet.net/

Event Horizon Telescope

https://eventhorizontelescope.org/

Thirty Meter Telescope

https://www.tmt.org/

Habitable Zone Gallery

http://www.hzgallery.org/

Brick City Depot

https://www.brickcitydepot.com/

Brick to the Past

http://www.bricktothepast.com/

ESA CHEOPS

https://www.esa.int/Science_Exploration/Space_Science/Cheops

International Dark Sky Association

https://www.darksky.org/

Hubblesite

https://hubblesite.org/