One of the most colorful free outdoor attractions in San Diego, this park is filled with murals and ties to history.

The Kansas City Barbecue restaurant also contains the original piano that was a central part of the famous "Great Balls of Fire" scene.

Downtown Minneapolis mixed art and function by turning some of their sewer covers into works of art.

A 115-year-old restored German dining hall awaits those who venture beneath the Minnesota State Capitol.

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

When flour explodes, it's not a pretty sight.

The only arched bridge made of stone on the entire Mississippi River.

This old residential building was once the largest flour mill in the world.

The dishes at this restaurant by The Sioux Chef celebrate indigenous heritage.

This landmark honoring a local beer brand is an iconic part of the Minneapolis skyline.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

A tribute to the disposable cups that were once manufactured here, this 68-foot-tall statue would be difficult to throw away.

This landmark building, from notable Los Angeles architects, is being restored.

A 250 million-year-old rock formation has earned a rather unique nickname.

This general store offers visitors a glimpse back into the 1930s.

This beautiful ridge-top trail is dotted by tiny homes apparently built by a group of itinerant fairies.

Statues pay tribute to the icons of "Killer Dana," one of California's most famous surfing towns.

A blast from the past in central San Diego.

The ghostly remains of an accidental sea.

Large metal sculptures spread throughout an open landscape.

The world’s oldest active sailing ship.

A dramatic coastline that’s home to a rare pine tree.

Go deep on these fascinating fish, and get a bonus lesson on the importance of marine conservation.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.