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

A Perpetually Under construction Park.

This replica of an 8th century burial ship actually sailed to Norway before returning home to Minnesota.

A mapping error in the 19th century made loggers think this section of the forest was underwater.

Secret hideaway for an alternative beach experience.

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

This secret gem of a toy store houses a rideable carousel populated with fantasy animals.

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

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

Hub of Scandinavian culture in a Minneapolis deli.

An eatery within the Minneapolis American Indian Center writes colonial ingredients out of the story of Native American cuisine.

Admire the art and then buy a raccoon skull cleaned by flesh-eating beetles.

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

Ever wanted to can Spam?

This massive roadside mascot was the first version of the giant to illustrate his butt.

An unusual assortment of art, furniture, and other curiosities.

When waves crash onto this section of beach, the rocks sing a song.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

These curious caverns have been home to mushrooms, gangsters, and disco.

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

A museum within a museum, devoted to history's most questionable medical devices.

Half of a waterfall goes into the river while the other half seems to disappear.

This large midwestern cavern features impressive rock formations and an underground waterfall.

This lab's maddening silence is good for business but bad for sanity.