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

Mariners once used this prehistoric landfill as a navigational landmark.

Location of a reliquary containing bone fragments of 18 saints.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

St. Augustine's record-setting narrow street was designed to protect against pirates.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

A building so large that it has its own weather.

A Circus legend leaves an unexpected endowment.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A gleaming white tower in ornate Indian style soars above the low-slung bungalows of north Tampa.

Town of spiritualists and mediums in Florida.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

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

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.