Okinawa Island is the largest of the Ryukyu Islands of Japan, and is home to Naha, the capital of Okinawa Prefecture.
The 1st brazilian card of this RR is a card from Curitiba sent by "tarcício".
Curitiba is the capital city of the Brazilian state of Paraná. The city has the largest population and also the largest economy in Southern Brazil. According to the American magazine Reader's Digest, Curitiba is the best place to live in Brazil.
Cuyahoga Valley National Park is another new US national park in my collection. The card was sent by Carol "carolreader".
"Cuyahoga Valley National Park preserves and reclaims the rural landscape along the Cuyahoga River between Akron and Cleveland in Northeast Ohio. The 51-square-mile (130 km2) park is the only national park in Ohio.
Cuyahoga means "crooked river" in Mohawk." - in: wikipedia
On the card there's the Brandywine Falls, the highest in the park.
"Columbia is the state capital and largest city in the U.S. state of South Carolina The population was 116,278 according to the 2000 census (2008 population estimates put the city at 127,029). Columbia is the county seat of Richland County, but a portion of the city extends into Lexington County. The city is the center of a metro area of 728,063. The city's name comes from a poetic synonym for America, derived from the name of Christopher Columbus." - in: wikipedia