Yerevan, the capital of Armenia, is one of the oldest continuously inhabited cities in the world, with a history stretching back more than 2,800 years. Despite its ancient roots, it feels vibrant and modern, with wide boulevards, lively cafes, and an ever-present view of the majestic Mount Ararat on the horizon.

Key Largo, the northernmost of the Florida Keys, is renowned for its pristine natural beauty and vibrant marine life. As part of the Florida Keys archipelago, Key Largo is a gateway to the spectacular underwater world of the John Pennekamp Coral Reef State Park, the first underwater park in the U.S. Here, visitors can explore vibrant coral reefs through snorkeling and scuba diving, or take a glass-bottom boat tour to marvel at the colorful marine ecosystems without getting wet.

ABERDEEN -- Scotland's third-largest city (pop. 187,000) is characterized by buildings of beautiful white granite. Set beside the North Sea, Aberdeen is both a university town and the capital of the Scottish oil boom. It is also one of Scotland's largest seaside resorts (though its appeal is confined to those who like their water well-chilled).

Olomouc, a captivating city in the Czech Republic, offers a blend of historical charm and vibrant culture. The city’s centerpiece is the Holy Trinity Column, a UNESCO World Heritage Site and a stunning example of Baroque architecture. Erected in the 18th century to commemorate the end of the plague, this intricate monument features elaborate sculptures and exquisite details that make it a must-see source.

Whittier is the perfect place to explore Alaska's natural beauty, providing access to nearby Emerald Cove Trail and Portage Pass Trail as well as Chugach State Park further northwest.