At the time of its completion, it was the tallest dam in the world.

This town is home to the world’s largest arch constructed entirely of elk antlers.

A unique botanical garden housed in three giant geodesic domes.

Whimsical sculptures dot a woodland path surrounding their creator's old summer cottage.

Tirelessly maintained by a Wisconsin man named JFK.

The birthplace of a titan of American cinema.

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

"Iron Age" creatures fill this huckster's rusted metal sculpture garden.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

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

This cave holds a surprisingly colorful variety of geological oddities.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

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

Complex aquaponics systems allow fish and plants to grow in harmony.

The world's largest woodcarving collection includes dozens of Bible scenes and a wooden bestiary, all carved by one man.

A museum of the dime museum that features weird entertainments of yesteryear, from feejee mermaids to flea circuses.

The final resting place of one of Thomas Jefferson's formerly enslaved sons.

This odd-shaped relic from the 1964 New York World's Fair found its way back home to Wisconsin.

Meet the "Green Monster" of Monico, Wisconsin.