We've featured plenty of houses with secret passages before, but let's be honest—they're just plain cool. Here are even more amazing secret passageways, courtesy of Gizmodo

Their delightful round up features twenty secret passages, some leading to hidden rooms and others leading to even more secretive places, like the drug-smuggling tunnel from San Diego to Tijuana that was hidden under a bathroom sink. Whether you always wanted to be a spy or just like the magical feeling of having a place in your home that no one else knows about, anyone who appreciates things that are hidden in plain sight will love this great article.