Clean, cold drinking water flows from a nondescript pipe in a roadside rock face.

Internationally recognized group that works to protect the wolf and educate the public about its plight.

The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

This bar hosts an ever-evolving napkin art installation devoted to an American president.

Home to the organ played at General MacArthur's funeral.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

The oldest existing one-room brick schoolhouse in Loudoun County.

The futuristic test model of an iconoclastic visionary who wanted to redesign the world.

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

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

A super-sized promotional trick that is now a D.C. landmark.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

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

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