Arlington, Texas, USA - Texas Giant Roller Coaster

Summertime Thrills, Part 1

What began as a simple car that rolled down a hill has evolved into an engineering marvel. Roller coasters are bigger, faster, and more thrilling than ever. In this fun list, Moon.com Content Editor Gayle Hart shares several great wooden coasters in the United States.

Terraced stone embankments descend to water level where boats are docked in a canal beside a busy marketplace.

Visiting Tigre near Buenos Aires

After decades of decay, the flood-prone riverside city of Tigre itself seems to be experiencing a renaissance. The train stations are renovated, the streets clean, the houses brightly painted and many restored, and it remains the point of departure for delta retreats and historic Isla Martín García.