Some of the most spectacular scenery is found on a trip to the San Juan Islands. No wonder. This 100-million-year-old mountain range turned archipelago, located a few miles northwest of Seattle, changes dramatically with the tide. There are 743 islands at low tide--and 428 at high tide.

Vatnajökull National Park is one of Iceland’s largest protected areas, extending across a vast landscape of glaciers, volcanoes, lava fields, mountains, rivers, and glacial plains. At its center lies Vatnajökull, Iceland’s largest ice cap, whose outlet glaciers spread into surrounding valleys and lowlands. The park stretches across southeast and central Iceland and includes several distinct regions, from Skaftafell and Jökulsárlón to the volcanic landscapes of Askja and Kverkfjöll.

Mist, research stations, and penguins are just a few of the things that define the South Shetland Islands, an archipelago off the coast of Antarctica. These 11 Antarctic islands, most notably King George Island, have served as a base for researchers from Chile, Argentina, and a variety of other countries. The archipelago has also become a popular cruise destination for tourists to the Antarctic region.

Písek, a picturesque city in the South Bohemian Region of the Czech Republic, is a hidden gem steeped in history and charm. One of its most notable landmarks is the Písek Stone Bridge, the oldest preserved bridge in the country. Built in the 13th century, this Gothic bridge spans the Otava River and is a testament to medieval engineering.

Explore Punta del Este, a popular resort town on the coast of southeastern Uruguay. A favorite summer destination for locals and tourists alike, Punta del Este offers spectacular beaches, delectable eats, fascinating museums, and truly luxurious resorts.