Murchison, TEXAS—A group of exotic wild animals who spent their lives at a deplorable roadside zoo in Canada are now receiving proper care and living their happily-ever-after at the 1,400-acre Black Beauty Ranch, a sanctuary that is part of the Humane Society of the United States. The animals...

Danielle Tepper had always loved dolphins. When she went on vacation to Hawai'i, she knew she had to see them firsthand. Tepper—now a senior editor at the Humane Society of the United States—wanted to do it ethically, so she avoided captive dolphin attractions. Instead, she booked an excursion to...

WARNING: This page contains graphic content. When rescuers slowly creaked the rusty door open, the dilapidated building appeared to be empty. Windowless and dark, the sheet-metal structure held no noise, only air thick with spiderwebs, dust and the burning smell of ammonia. Then a head with small...