A European-style bath house in Chicago.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

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

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

This historic hotel invented the chocolate brownie.

Hidden on the 7th floor of a historic building, this Cajun spot features wall-to-wall bottles of hot sauce.

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.

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

Illegal drag racing two stories beneath Chicago’s streets.

The palatial McDonald's that inspired Wesley Willis.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

A hot dog stand where the heads are just as hot as the dogs.

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

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

An enormous park-like oasis, full of famous Chicagoans' graves.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.