Sequoia National Park, located in California’s Sierra Nevada mountains, is a natural wonderland famous for its giant sequoia trees, including the world-renowned General Sherman Tree. Standing at an astonishing 275 feet tall, the General Sherman is the largest tree on Earth by volume and a must-see for visitors.

A district of west-central Switzerland, famous for its cheese and chocolate.

Liberia, republic in western Africa, bounded on the north by Sierra Leone and Guinea, on the east by Côte d'Ivoire, and on the south and west by the Atlantic Ocean. Liberia has an area of 99,067 sq. km (38,250 sq. mi.). Liberia was founded in the early 1800s by freed American slaves. Monrovia is the capital and largest city.

The Calf of Man, a small island off the southwest coast of the Isle of Man, offers a rare glimpse into a quieter side of the Irish Sea. Covering just over 260 acres, this uninhabited island is known primarily for its rich birdlife and dramatic coastal cliffs. Visitors often arrive by boat from nearby Port Erin, embarking on guided tours that reveal the island’s importance as a bird sanctuary.

From grand castles to resplendent cathedrals, Tallinn’s Old Town neighborhood, a UNESCO World Heritage Site, is the perfect place to begin exploring. Enter through Viru Väravad, or Viru Gate, the former fortress whose remaining two towers beckon you into the heart of the city.