It's the International Year of the Periodic Table of Chemical Elements, recognized by the United Nations. Dmitri Mendeleev is credited with discovering the Periodic Table in 1869. Learn more about the celebrations at The International Year of the Periodic Table.
Check out these amazing collections:
Elemental Haiku
The Periodic Table with a haiku for each element developed by Mary Soon Lee. Hover over each element to read its haiku. Join the fun with the hashtag #ChemHaiku on Twitter. Website: https://vis.sciencemag.org/chemhaiku/
Photographic Periodic Table
Hover over the images to learn more about each element. Click on the element for photographic examples. Website: http://www.periodictable.com/
TED-Ed Interactive Periodic Table
A video and lesson for every element! Website: http://ed.ted.com/periodic-videos
The Periodic Table in Pictures and Words
Click on the elements to see a close up each element in pictures and words. Website: http://elements.wlonk.com/ElementsTable.htm
Google's Periodic Table of Elements
Visualization where the elements are sized by their frequency in the earth's crust. Website: http://research.google.com/bigpicture/elements/
Periodic Stats
Click on the elements to learn history, general information, engineering, and more!
Website: https://periodicstats.com/
Bonus
Communities are building real-life examples of the elements in interactive displays.
The Ever-Changing Periodic Table
An interactive display at The University of Toledo Website: http://www.utoledo.edu/nsm/ic/periodictable.html

Interactive Periodic Table
Located at the Downside School in the United Kingdom
Website: https://www.downside.co.uk/hot-science-news-our-interactive-periodic-table/
What are your favorite Periodic Tables?