For divers and music lovers, the Florida Keys' Underwater Music Festival provides the best of both worlds.

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

An underwater statue of Christ blesses the depths off Key Largo.

The so-called "world's shortest river" is actually a window into a cave.

A vast array of tropical plants collected by a vacationing couple.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

A 1950s eccentric's vision of Eden preserved as a hiking trail.

This fairytale-inspired cottage was created by a university literature professor.

A humid oasis combines recreation with exploration in a unique underwater cavern.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

The only Florida state park with publicly accessible caves.

A hidden beach at the end of a tunnel of mangrove trees.

Florida castle built with aluminum printing plates.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

Stay in a room with a view... of the bottom of the ocean.

A giant 400-acre preserve in North Florida for displaced wolves.

Where manatees are the snowbird vacationers in these balmy Florida springs.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

An underwater city for the dead.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.