USA ~ Mammoth Cave National Park - UNESCO - Kentucky

... Day two with an amazing new USA National Park... Mammoth Cave is immense... it's the world's longest known cave system, with more than 400 miles explored... one of the most studied cave systems... today, Mammoth Cave welcomes well over half a million visitors per year... there are several tours available... they highlight some amazing features like waterfalls, enormous caverns... it has extensive hiking trails to explore... canoeing and kayaking on the nearby Green River along with fishing, camping, and horseback riding... Thanks a lot Jaelen!! ❀◕ ‿ ◕❀

" This Mammoth Cave Natural Entrance was discovered in 1799 by a bear hunter named Houchins while tracking a wounded bear into the cave, Indians used reed torches for light as they used this deep dark entrance in the early days. This entrance has been a showplace since 1816."(backside postcard)

Mammoth Cave National Park is a 52,830 acre park and was officially dedicated at as a national park by 1941. It then became a World Heritage Site in 1981 and an International Biosphere Reserve in 1990.

This National Park is home to numerous limestone caves, two beautiful rivers, and rugged landscapes clothed in forests, as well as the most extensively explored cave system in the world, Mammoth Cave.



© Zachary Frank/Alamy Stock Photo

Stamp:

Forever stamps - the echeveria
 (Issued 28-04-2017)

USA ~Thunder over Louisville~

...Fabulous fireworks postcard from my nephews USA trip...his first stop was at the WK Cyclocross 2013 (won by the Belgian Sven Nijs)... this card shows the Ohio State River, the reason for the schedule change (from sunday to saterday) due to the rising river...
Thanks a lot Ben!! Enjoy the rest of your stay over there!!:D

With lovely flag stamps:The U.S. Postal Service continues its tradition of honoring the Stars and Stripes with the issue of the Four Flags (Forever serie) stamps, this ones represents "Equality-Liberty and Freedom".

Thunder over Louisville is the opening ceremonie for the Kentucky Derby Festival.
It is the world's largest fireworks display

Ben and...???
Louisville is a major city and the largest city in the U.S. state of Kentucky.It is situated at the Falls of the Ohio, at the Kentucky-Indiana border.
The city is well known for horse racing (the Kentucky Derby has been held there since 1875).
It is home to the American Printing House for the Blind, the world's largest publisher of books in Braille, and the Kentucky School for the Blind. The University of Louisville was the first city-owned university in the U.S., founded in 1798, and the Louisville Free Public Library was one of the first public systems in the country.