At the Northwestern edge of the Everglades is one of the best preserved and maintained swamp ecosystems anywhere, with ancient cypress trees, landmarked like California's Redwoods, and a boardwalk hiking path into wetlands and lettuce ponds.
You can see more thistle - along with birds & bees - on my Nature Page ("Two bees or not two bees?")
Little Blue Heron Dancing on Water Lettuce
Cypress Trees in Corkscrew Swamp
A short video from Big Cypress Swamp
Blue Dasher Dragonfly in Water Lettuce Pond (Corkscrew)