A museum dedicated to the exploring past, present, and future innovations.

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

17,400 lbs., 12 feet in diameter, and 29 years in the making.

Hub of Scandinavian culture in a Minneapolis deli.

The Midwest's reigning king of surplus stores is full of nothing you need and everything you want.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

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

A toweringly silly piece of modern art has been delighting locals since the 1980s.

20,000 pieces in a Frank Gehry-designed building.

A community gathering place that once housed half-ton tanks and the World's Fair.

Feeding hungry Ballard boat workers since 1922.

This sandstone mansion was the home of two of Oregon's most important pioneers.

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.

Seattle's super-sized cowboy apparel once belonged to a themed gas station that wrangled in herds of tourists.

Hundreds of trees made from glass bottles make up this forest on Route 66.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

This replica of the Greek structure is in the heart of Nashville.

The unbelievably opulent home built for an infamous newspaperman.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

A multimedia experience that chronicles the atrocities of racism.