Arguably the best example of an authentic Dutch windmill in the United States, rivaling its counterparts in the Netherlands.

This house renovated by Frank Lloyd Wright was the centerpiece of a lavish 20th-century estate.

The final resting place of the world's first nuclear reactor.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

This national park dedicated to the tallgrass prairie ecosystem still displays its military past.

Meant for a railway that was never built because of the Great Chicago Fire, these piers still stand nearly 150 years after they were installed.

This tiny historic jail along Route 66 is the perfect fit for exactly one criminal and their partner-in-crime.

Moving, mind-blowing metal sculpture work of an outsider artist.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A little-visited ghost town state park offers a glimpse into Montana’s "Silver Queen."

This Wild West attraction is alive with glitching automatons.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

Just a man taking his prehistoric pet for a stroll.

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

Known as "The Hill of the Little Devils."

"Enter and be entertained or annoyed by Dada in Walla Walla."