Southeast Spain's seaport of Cartagena is a large naval base on the Mediterranean coast. The city was founded in 220 B.C. and boasts Roman ruins, mosaics and murals.

Oslo, Norway’s capital, stands at the crossroads of Nordic history and forward-thinking design. Originally founded over a thousand years ago by Viking King Harald Hardrada, the city has evolved from a medieval trading hub into one of Europe’s most modern capitals. Visitors can explore its layered past at the Akershus Fortress, a 13th-century stronghold still standing guard over Oslofjord, or walk through the preserved wooden homes of Damstredet.

Eritrea, located along the Red Sea in the Horn of Africa, offers a fascinating blend of history, diverse landscapes, and rich cultural traditions.

Greece’s island of Cephalonia, nestled in the Ionian Sea, invites travelers with a relaxed pace and a landscape shaped by myth, history, and nature. Larger than its neighboring islands but far less crowded, Cephalonia offers visitors a glimpse into traditional Greek life amid dramatic cliffs, lush pine forests, and charming harborside villages.

Charming Copenhagen is the jewel of Denmark and a delightful stop for any traveler. Well-known as an eco-friendly haven for sustainable and green living, Copenhagen has embraced its status as the best “bike city” on earth and promoted the use of bicycles by locals and tourists.