A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The first declared National Monument in the United States.

The lowest point in South Dakota and the source of the Minnesota River.

A fitting attraction for the corn capital of the world.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A winged-helmed, sword-brandishing tribute to German Americans.

For over a century, it was a crucial center of mental health treatment and also the source of many local legends.

The watery grave of an impractical idea.

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America's largest viking stands in a Minnesota city that believes it was visited by the ancient nords.

Elaborate drama imparts an appreciation for 19th century hardships.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

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

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

14th century Norse artifacts in Northwestern Minnesota could have proved a Viking landing before Columbus.

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

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.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.