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.

You'll know why picturesque Grenada is known as the "spice island" when you notice the scent of nutmeg, vanilla and cocoa in the air. Grenada's waterfalls, lush rain forests, volcanic crater lake, tiny villages, cocoa, nutmeg and banana plantations, rum distilleries, scenic hiking trips, pristine coral reefs, and hidden-away unspoiled beaches all make Grenada one of the most popular ecotourism destinations for those who like to discover off-the-beaten-track natural beauty and charm.

One of the most beautiful islands in the Bahamas, Grand Bahama Island is home to the renowned capitol city of Freeport/Lucaya. Grand Bahama Island offers lovely beaches, three national parks, a variety of natural wonders including an extensive system of underwater caves, and a vast array of marine life. The towns on the island range from the small and peaceful to the resort-filled city with its casinos and Bahamas entertainments.

Chuuk, one of the four states of the Federated States of Micronesia, is best known for its vast lagoon which is one of the largest enclosed lagoons in the world. But what sets Chuuk apart is what lies beneath those calm blue waters: an entire underwater fleet of sunken warships, aircraft, and submarines left from World War II. Often called the "Ghost Fleet of Truk Lagoon," these wrecks make Chuuk a global destination for experienced divers.

Loch Ness stretches over 23 miles through the Scottish Highlands, holding more freshwater than all the lakes in England and Wales combined. Best known for its elusive resident, the so-called Loch Ness Monster, the loch has sparked international curiosity since the first modern "sighting" in 1933. While Nessie remains elusive, the surrounding landscape offers clear reasons to visit with steep hillsides, forested trails, and ancient ruins framing one of Scotland’s most iconic bodies of water.