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

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

In a city crazy for seashells this museum educates and amazes visitors using the wonder of cast-off exoskeletons.

The world's largest private aircraft collection.

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

The largest retailer of seashells in the world.

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

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

A building so large that it has its own weather.

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

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

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

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

A terrific purveyor of natural history objects and curios.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

An artsy hidden staircase leads to breathtaking views of San Francisco.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Tiki luxury on Nob Hill.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.