A piece of outsider public art accompanied by a strange urban legend.

A museum dedicated to exhibiting remarkable outsider art.

A once grand hotel is being retaken by the wilderness it once capitalized on.

The Hudson River School comes alive at this palatial estate.

Resonating tubes make music from highway overpass.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A museum dedicated to the history and exploration of both popular music and science fiction.

The world's only museum devoted to the wonders of fluorescence.

A fine, large-aperture telescope available for public use.

This sprawling collection hides many charms.

Magical-looking cottages that inspired one of the most famous animated films ever.

Resting place of Hollywood's immortals is also site of summer film screenings.

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A layered tribute to the work of mosaicist Isaiah Zagar.

One of only two commuter aerial tramways in the United States.

This is not your typical jungle gym.

Less a museum than a bizarre fantasy world created by artists and engineers.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

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

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

Florida castle built with aluminum printing plates.