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.

Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

Killarney - Ireland's most vibrant town. Located in the Southwestern region of Ireland, in County Kerry, Killarney is a renown stop on the famed "Ring of Kerry" journey.

Ullapool is a village in the Scottish Highlands about 65 miles north-west of Inverness. Ullapool is known for the progressive, ecologically sound practices of its inhabitants and is the center for the Highland Environment Centre; a project of the Highland Eco Trust.

Tristan da Cunha is a remote volcanic island in the South Atlantic Ocean, forming part of a small archipelago along with Inaccessible Island and Nightingale Island. Known as the most isolated inhabited island in the world, it is accessible only by a week-long boat journey from South Africa.