This 1920s railway depot is now home to two unique museums complete with a miniature train ride.

A unique collection of diving equipment spanning antiquity to the present day.

Hundreds of skulls and bones at the largest skeleton museum in the country.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

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

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

This underground oasis is one of North America’s most fascinating prehistoric places—and you can scuba dive in it.