The oldest operating pharmacy in the world features 800-year-old recipes.

Old batteries and frog skeletons reside in this lakeside monument to Alessandro Volta.

This 1st-century CE Roman bath sits under a carpark.

International delicatessen has been owned and operated by the same family for more than 110 years.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

A memorial for the mustachioed record-setting runner.

World's largest porcine hairball sits in a collection maintained by Benedictine monks.

The only house in Oregon designed by the famous architect, Frank Lloyd Wright.

Home to the only outdoor municipal elevator in the United States.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

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

Approximately 50,000 gallons of water gush from these springs, creating the Metolius River.

The world's last remaining store of its kind.

Yo, Adrian!

Believed to be the birthplace of the United States Marine Corps.

An Irish Memorial commemorating those who perished due to potato blight.

Step into a pastel time capsule where candy is truly dandy.

In the early 1800s, surgery was also a show.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

The first American department store, and home to the largest operating musical instrument in the world.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.