A scientific repository of goiters, boils and other ailments throughout Mexican history.

Meant to be one of the most extravagant hotels in the world, now an eerie, abandoned architectural gem in Mexico City.

66,000 pieces of art, donated by one of the world's richest men.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

Frida Kahlo's childhood home, now a museum of her life and works.

Part bookstore, part café, and part forest.

To find the "unicorns of the deep" you've got to go downstairs.

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.

A chance to follow in the footsteps of the word's most legendary animator.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

These pretty kitties killed and ate as many as 135 railway workers.

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

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

One of Chicago's last seafood smokehouses perfects a dying breed of fishcraft.

Assemble a masterpiece at the first and only North American school exclusively dedicated to mosaic art.

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

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

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

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

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

The beloved home to all publications indie, erotic, and punky.

This historic hotel invented the chocolate brownie.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.