Eureka, Nevada is a must-see pitstop along the magnificent wide open road of Route 50, where travelers can immerse themselves in a bygone era and explore secret underground tunnels.

Nervous sharks, flight-risk octopuses, and fish that walk are just a few of Dave Remsen's cases.

At his DIY institution in Colombia, Javier Fernando Rua Restrepo watches the stars.

The crustaceans, native to Providencia, have seen declining numbers.

How an international birdwatching competition draws attention to the country's at-risk natural bounty.