One of the most well-known attractions in Baltimore, the National Aquarium houses more than 20,000 animals. The aquarium revolves around a bottom-level, open pool, which is filled with stingrays and ...

Sargassum plants are a nuisance on some beaches, but they are a shelter and a feast for a complex and amazing variety of marine life. A clump of sargassum weed the size of a soccer ball drifts near ...