This lake in the Cascades lives up to its name, disappearing down a hole every spring.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The world's last remaining store of its kind.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

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

Paths are maintained, but trees have taken over plots.

Dedicated to the history of the health sciences.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

The world's largest fire hydrant is supposedly tornado-proof.

A herd of plastic cows hangs out under this transmission tower in rural Georgia.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

A heavenly experience, right here on Terra Firma.

The oldest tofu shop in the United States is a firm favorite with locals.

This rustic old building is said to be the most photographed barn in America.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

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

This remarkable collection devoted to the study of fish includes 1 million preserved specimens from all around the world.

What's that on the side of that building? Va Va Voom, it's Bettie!

The flock of plastic poultry is an ode to the classic comedy staple.

A busy cafe better known for board games than food.

Peruse rare tomes like poetry bound in pearls or books with branches and berries growing out of their spines.

The tale of a strong-willed woman who stood her ground when the commercial world came rumbling in.

Essence of hound's tongue and tincture of bloodroot are just the tip of the herbalist iceberg at this beautiful, impressively-stocked apothecary.

This former coal gasification plant found a curious second life as a popular public park.