(CNN) — In travel news this week, Spain is offering free train travel, Southwest Airlines is making its vouchers good forever, and we’re taking a look at the world’s greatest hiking trails and best swimming spots. from Iceland.
Bridges and trains
A step ahead
In case you missed it
A pilot has captured video of a mysterious red glow over the Pacific Ocean.
Warning sirens have sounded regularly across France since the Cold War.
The Colorado start-up Boom Supersonic has unveiled the new design of its supersonic jet.