This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

You could be standing at the site of one of D.C.'s most fatal tragedies and not even know it.

This poor little statue is the most vandalized memorial in Washington.

A genuine Tudor manor transported piece by piece from England.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

This tiny man looms large over downtown Charleston.

The grave of a champion Thoroughbred hides within the former presidential estate.

A hugely vast Irish landscape of barren rock that stretches for miles.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

The last bastion of Roman presence north of the Alps looms over a German town.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

It's good luck to be mocked by this monkey.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

There has been an astronomical clock on this spot since the 14th century.

This 14th century tower house was once the home of Irish poet W.B. Yeats.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.