A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

A lovely hidden waterfall right off the highway is well worth a stop.

Homemade outdoor church and sculpture garden decorated with glass shards.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

This cave holds a surprisingly colorful variety of geological oddities.

Vikings and Evangelicals have both had a hand in this replica medieval church.

This pebble beach is so beautiful that taking its rocks is against the law.

This Wild West attraction is alive with glitching automatons.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

The first declared National Monument in the United States.

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

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

One of the world's most definitive collections of musical instruments, spanning all cultures and historical periods.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.