Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.

No one is sure why this mysterious tradition started.

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

Modern technology and live displays tell the story of the Pacific during WWII for the Internet generation.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

A dam that moonlights as a gigantic, brutalist waterslide.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.