View rare birds and interact with lemurs at this nonprofit run entirely by volunteers.

Though illegal, city officials have made an exception for this work of art.

This museum honors the composer of “Swannee Ribber.”

Beneath the surface, something slithers. And if you find it, prepare to be slimed and glowing.

A rapidly disappearing authentic bit of the old south.

Rural churches in the middle of nowhere with religious frescoes by famous artist.

An eight-sided home built during a brief octagon craze in the 1850s.

The train collection of an eccentric New England seafood mogul is now a National Historical Site.

An ideal wedding spot that is almost too ideal.

A tree grown from astronaut seeds which were exposed to cosmic rays.

This abandoned bridge is now a favorite haunt for graffiti artists.

This protected reserve is home to a rare and beautiful species of flower.

This 1920s railway depot is now home to two unique museums complete with a miniature train ride.

Found: Garden of Eden in Miami-Dade County, Florida.

A time capsule of Floridian history fights to survive on the banks of Chokoloskee Bay.

For 32 years the famous Ringling Bros circus troupe spent winters in this sunny spot in Florida.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

A giant roundabout made up of six smaller roundabouts can befuddle the uninitiated.

Rows of 19th-century brick ovens used to process coal into coke form the center of a wooded park.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

The overgrown remains of an old rail bridge rise above the valley like ancient Greek ruins.

Built by an accountant with a dream of running a grand resort, this estate has sat vacant for over half a century.

This impressively complicated radioastronomy research center was once a tool of Soviet spies.

One of the world's most advanced radio observatories sprawls across the Atacama Desert.