This more challenging Atlas Obscura–themed crossword comes from independent crossword constructor Brendan Emmett Quigley. He has been a professional puzzlemaker since 1996, and his pieces have appeared in dozens of publications. He’s also a member of the Boston Typewriter Orchestra.
You can solve the puzzle below, or download it in .pdf or .puz. Note that the links in the clues will take you to Atlas Obscura pages that contain the answer. Happy solving!