This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

A walk through the historic city center, under the streets of Seattle.

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

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A wall of chewing gum moonlights as collective art.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

Despite its name, this fast food museum is actually a replica of the ninth McDonald's store.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

Strange physical sensations and optical contradictions keep visitors coming back for more.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A massive sea stack famous for its appearance in The Goonies.

A Roman-style column in Oregon hides a spiral staircase inside.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

This playground sculpture of an icon from the past is dedicated to the children of the future.