Zagreb, the vibrant capital of Croatia, is a city where history, culture, and a youthful spirit collide in an unforgettable way. Wander through the cobblestone streets of the Upper Town (Gornji Grad) and marvel at its medieval architecture, such as the iconic St. Mark's Church, known for its colorful tiled roof depicting the coat of arms of Zagreb and the Kingdom of Croatia.

Hidden in the northern region of Costa Rica, the Celeste River (Río Celeste) winds through Tenorio Volcano National Park with a color so vivid it seems unreal. The river’s striking turquoise hue is caused by a natural chemical reaction between two mineral-rich streams, Quebrada Agria and Río Buena Vista, which merge at a point known as "El Teñidero." This one-of-a-kind phenomenon creates the illusion that the water has been dyed blue, even though no pigments are present.

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.

Nestled in the mountains just 90 minutes from Tokyo, Hakone has long been a retreat for travelers seeking both quiet and culture. Once a crucial checkpoint on the historic Tōkaidō road between Edo and Kyoto, Hakone is still shaped by centuries of history. The reconstructed Hakone Sekisho (Hakone Checkpoint) offers a glimpse into the Edo Period, when travelers were inspected by samurai guards before continuing on their journey.

Whether it’s delving into naval history, enjoying panoramic views, or soaking in the coastal charm, Portsmouth offers an engaging and memorable experience for all who visit.