Monterey, California, is a coastal gem with a rich maritime history and stunning natural beauty. Located on the rugged Pacific coastline, this charming city is renowned for its world-class aquarium, the Monterey Bay Aquarium, which offers visitors a chance to explore the vibrant marine life of the region. Monterey's historic Cannery Row, once the center of the sardine-packing industry, has been transformed into a lively waterfront area brimming with shops, restaurants, and cultural attractions.

The Darvaza Gas Crater, famously nicknamed the “Door to Hell,” is one of Turkmenistan’s most extraordinary landmarks. Located deep in the Karakum Desert, this fiery pit has been burning continuously since the early 1970s, when Soviet engineers reportedly set fire to a collapsed natural gas field to prevent the spread of methane.

Coimbra, set along the banks of the Mondego River in central Portugal, is a historic city known for its academic legacy and old-world charm. Once the medieval capital of Portugal, it is home to the University of Coimbra, one of the oldest in Europe and a UNESCO World Heritage Site.

The capital of Crete, Heraklion is a Greek port city and a popular stop on Mediterranean and Greek cruises. The city is an historical marvel, replete with archaeological wonders and remnants of the region's past. Highlights include the Heraklion Archaeological Museum, the Rocca a Mare Fortress, the Venetian Loggia, and just past the city limits, the Palace of Knossos.

The Jurassic Coast, a UNESCO World Heritage Site, is a breathtaking stretch of England’s southern coastline that spans 95 miles from Exmouth in Devon to Studland Bay in Dorset. It is renowned for its dramatic cliffs, stunning beaches, and incredible geological history, offering visitors the chance to explore 185 million years of Earth’s evolution.