A midcentury ranch house hides a literal treasure trove of unique rocks and minerals.

Tens of thousands of tiny birds swarm into one school chimney every fall.

10,000 flowered plants bloom in the City of Roses.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

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

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.

The wooden airship was the largest flying boat ever built.

Home of Howard Hughes' Spruce Goose.

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

This charmingly homemade amusement park has been growing for 40 years.

An institution that preserves the history of institutionalization.