When it comes to planning your next nature-filled vacation, you'll find no shortage of options. However, with over 6,000 national parks in nearly 100 countries across the world (all with their own ...

While there are plenty of awe-inspiring man-made destinations around the globe, nothing is as creative as nature. From trees that resemble monsters, to colorful sinkholes, towering rock formations and ...

The Puerto Rican island of Cayo Santiago is home to one of the world’s oldest and most unusual primate research colonies.