Whether exploring ancient ruins or strolling through its modern city center, visitors will find plenty to discover in Nijmegen, the oldest city in the Netherlands.

Goodenough Island is one of the D’Entrecasteaux Islands in Milne Bay Province, Papua New Guinea, lying in the Solomon Sea north of the mainland. The island has a distinctive rounded form, with steep slopes rising toward Mount Vineuo in the center and narrow coastal plains around much of its shoreline.

Framingham is a city in eastern Massachusetts, located about 20 miles west of Boston in the MetroWest region. Its landscape combines developed neighborhoods and commercial districts with wooded areas, ponds, and former agricultural land. The Sudbury River and several smaller waterways pass through the surrounding area, while Cochituate State Park provides a large recreational lake nearby.

Ol Doinyo Lengai, often called the "Mountain of God," is an active volcano located in northern Tanzania and is a must-visit for adventurous travelers. Towering over the Great Rift Valley, this majestic peak is unique due to its lava composition. Unlike most volcanoes that produce molten lava, Ol Doinyo Lengai emits natrocarbonatite lava, which is unusually cool and flows like water. This rare phenomenon makes it one of the most intriguing volcanic landscapes on Earth.

Trebinje, the southernmost city in Bosnia and Herzegovina, sits just a short drive from the Adriatic coast but offers a completely different rhythm. Framed by hills and set along the Trebišnjica River, the city has a history stretching back to Roman times. The river that winds through the city is one of the longest sinking rivers in the world and often disappears underground and resurfaces in various places.