Cincinnati's subway debate is stuck in the past while other cities move forward. It's time our leaders invest in the future.

Last fall when Cincinnati asked for ideas for what to do with its empty, 2.2-mile abandoned subway tunnel system, many Enquirer readers and social media commenters had the same response ...

Abandoned underground tunnels provide a rare look at history and architecture, and it is no surprise that explorers from all ...

Camp Century was built to store nukes beneath Greenland's ice. See photos of the underground, "Star Wars"-like site.