Behind a modern brick exterior lies the oldest continuously-operating lunch-car diner in the United States.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

A bizarre house filled with an astounding array of collections.

This cave holds a surprisingly colorful variety of geological oddities.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

A unique botanical garden housed in three giant geodesic domes.

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.

A Milwaukee museum provides an unsparing and ultimately empowering look at the Black American experience.

These modest Midwestern formations are kin to Niagara Falls' impressive cliffs, more than 600 miles away.

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

Prayers and messages of hope decorate the ceramic tiles of this pavilion.

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

This unique zoo is the only place in the world where you can see all 15 species of crane.

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.