Located within a historic park, the beacon is the oldest standing structure in Miami.

A monument celebrating the idea of reaching inaccessible places.

A mysterious castle built as a monument to lost love.

A time capsule of Floridian history fights to survive on the banks of Chokoloskee Bay.

The smallest post office in the United States is no bigger than a broom closet.

The largest retailer of seashells in the world.

Former utopian colony based on the belief that the universe exists in a hollow sphere.

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

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

Electrical pylon in the shape of Disney's beloved mouse.

A local landmark with generations of spraypainted messages, and more being added each day.

This now-deactivated naval base defended the Florida coast for centuries.

The "worst battleship ever built" is enjoying a grand second act, submerged 30 feet in the Gulf of Mexico.

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.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

The 44,000-ton aircraft carrier was purposely sunk to create an artificial reef teeming with life.

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

The only Florida state park with publicly accessible caves.

An unusual college football tradition involves burying pieces of sod from competitors' turf, replete with tiny coffins and headstones.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

Ancient serpentine sacrifice holder that has stood the test of time.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A fountain standing as a testament to a doomed alliance.

A marvel of Byzantine engineering under the streets of Istanbul.