Nature and Conservation

  • Butterfly Series

    On May 17, 2010, the USPS issued the first stamp in the Butterfly Series.  The stamps were created for use on envelopes that couldn’t be sorted on the USPS’s automated equipment, otherwise known as “nonmachinable.”  They’re often used for greeting cards. 

  • National Orchid Day

    On April 16, 2015, National Orchid Day was created to celebrate one of the most diverse and fascinating families of flowering plants. The date honors orchids not only for their beauty, but also for the personal story behind the day’s founding.

  • Bryce Canyon National Park

    On February 25, 1928, Bryce Canyon officially became Bryce Canyon National Park, securing permanent federal protection for one of America’s most unusual landscapes. What began as a remote stretch of pink cliffs and strange rock spires in southern Utah had become important enough to earn the highest level of preservation in the National Park System.

  • Petrified Forest National Park

    On December 9, 1962, Petrified Forest National Park was officially established, upgrading an already protected landscape into a full national park. The designation ensured stronger protection for its fossil-rich badlands, archaeological sites, and striking deposits of petrified wood, and it marked a major milestone in decades of preservation efforts.

  • Old Faithful Geyser 

    On September 18, 1870, a group of explorers stood on the banks of the Firehole River and watched as a geyser erupted in a towering column of steam and water. Amazed by its power and regularity, they gave it a name that has endured for more than 150 years — Old Faithful.