The world's first fish doorbell monitors this water passageway.

Visitors can still take a train to this former train station turned museum.

The heart of Little Saigon in Orange County is also the first and largest Vietnamese shopping center in the U.S.

This recreated Roman outpost stands above its buried predecessor.

A first-of-its-kind circular bridge for cyclists.

These giant yellow bowling pins seem to be defying gravity.

A bike traffic circle showcasing the works of local graffiti artists.

The only remaining wind-powered paper mill in the world.