Accessibility is easy in Tarpon Springs, the sponge capital of the world.
Vancouver sets a high standard for accessibility: sidewalk dining, lift-equipped busses and roll-on ferry access is easy to find.
New facilities at two national parks in California allow easier access.
At Bentsen State Park, visitors can birdwatch from a 210-foot wheelchair-accessible observation tower.
An intrepid traveler braves the angry mountain to get a glimpse of the boiling caldera.