Wisconsin

Once one of the largest ammunition plants in the country, Badger is being cleaned up and prepared for transition to civilian use. Operated by Olin Industries for much of its recent life, Badger manufactured primarily smokeless powder and small rocket propellant...
A museum of experimental and historic aircraft, housed in a new and extensive display complex that is also the headquarters of the Experimental Aircraft Association. Located adjacent to the airfield at Oshkosh, where the annual fly-in EAA convention can draw 750...

A military communication system site, used to transmit emergency signals to Trident submarines. The Extremely Low Frequency (ELF) transmitting system is a back-up, one-way communication method that uses large amplitude radio waves to send commands (including...

On his land across from the Badger Army Ammunition Plant, Dr. Evermor has produced a massive collection of assemblage sculptures, including the Forevertron, which he claims is the "largest found object sculpture." Dr. Evermor (also known as Tom Every, a...

Exhibits examine lead and zinc mining in the area through models, dioramas, artifacts and photographs. A guided tour includes a walk into the Bevans Lead mine.

A 7-acre museum complex displaying thousands of fishing artifacts, and featuring a five-story-high walkthrough Giant Muskie fish sculpture. Other exhibits include 300 outboard motors, and over 400 mounted and stuffed fish.

A religious grotto and cave built by Father Philip J. Wagner. Started in the 1920's, work on the site continued until his death in 1959. The Cave of Wonder enters a thousand feet into a hill side, and while it is claustrophobic at times, it opens out into a...

A park full of life-size and larger than life figures, made of cement and covered in glass and ceramic shards. Created by Fred Smith, who worked on the figures from 1950 to around 1964. The site has been damaged by storms, but undergoes periodic restorations...

The University of Chicago has a large refractor telescope here. Built in 1897, it is still in use.