This punny mirror of another Wisconsin attraction is exactly what it sounds like.

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

One of Frank Lloyd Wright's final works was this UFO church.

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

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

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

This cheerfully-named branch of the Chicago River is the fetid result of years of blood, entrails, and meatpacking waste.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

In one Chicago park, a trio of werewolves are waiting to devour their fallen brethren.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

All of Chicago's wood-paved streets are long gone but two alleys remain.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

This historic hotel invented the chocolate brownie.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

This railway-turned-greenway provides a pedestrian link in downtown Detroit and celebrates urban artwork.

Opulent downtown movie theater now houses cars as an indoor parking garage.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

This historic Jewish cemetery sits right in the heart of a Detroit car factory.

The bones of an old zoo crumbling in the shadow of a new one.

A Beaux-Arts triumph set to become Ford's innovation campus