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

This home is decked out like a psychedelic explosion of colors and bowling balls.

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

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

A giant 400-acre preserve in North Florida for displaced wolves.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

An underwater city for the dead.

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

Where manatees are the snowbird vacationers in these balmy Florida springs.

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

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

Stroll through a wonderland of stupendous moss-covered trees.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Enormous lake at the bottom of a unique cave system.

The seamy, underground secrets of Portland's criminal past.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

A semi-scholarly approach to sex.

The only theatre in the world constructed specifically for sound movement.

A trash dump made beautiful by nature's power.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

One man's homage to the sun continues to grow like a glass fractal.

America's most famous piece of self-built architecture.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.