A second generation sun-powered marvel lights up the night.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

Megachurch turned Catholic church comprised of 10,000 glass panes.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

One of the last full-orchestra recording studios in New York City and an acoustical marvel.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

An enclosed rotunda at the Henry Art Gallery in which viewers can look up and see the uninterrupted sky.

A sliver of nostalgia in Seattle's Viretta Park.

The first park built over a freeway is a brutalist masterwork.

A vinyl-lover's Shangri-La.

Providing the soundtrack to the golden years of the Seattle grunge scene.

A colorful architectural gem in Seattle's uniquely modern Central Library.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

Couple's personal collection of pinball machines turned public pinball museum.

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

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

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

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

12,000 sq. ft. museum tracing erotic art from antiquity to modern times.

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

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