When it comes to finding hotspots, online directories are a great tool for navigating the growing number of hotspots in the U.S., Canada, and around the world. For your convenience, here are a few of those directories.

Directory Notes
JiWire WiFi Finder Provides a directory of free and pay Wi-Fi locations in 144 countries.
AT&T Wi-Fi Locator Shows a map of AT&T Wi-Fi Hot Spots available for Basic and Premier accounts.
Verizon Wi-Fi Access HotSpot Directory This simple tool lets you locate the nearest hotel, airport, or business with broadband access.
The Wi-Fi FreeSpot Directory Use this directory when you're strapped for cash. It tells you where the free hotspots are.