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

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Small and slightly hidden, the American Writers Museum is preserving the legacy of America's finest authors.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

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

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

San Francisco's newly reopened hands-on science museum.

A psychedelic labyrinth on the San Francisco bay.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

A free, public museum dedicated to the fascinating science of sight.

The only visible piece of San Francisco's most famous shipwreck.

This teeny-tiny park built by a San Francisco man in 1962 is mostly stairs.

Once the fastest ship from San Francisco to Tahiti, the Galilee now lays in pieces in three different cities.

A four paneled, brightly multicolored mosaic adorns the side of this popular grocery store.

A modern mechanical planetary system, part of a 10,000 year clock.

The tea room that pushed the boundaries of adorable straight into... we can't find the words.

Its buzzing collection honors vibrator history.