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

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

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

Combination beer garden and music venue in the heart of Wicker Park.

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

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

Cemetery featuring rare glass-fronted columbarium.

Pizza with a side of fine art.

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

Years of archaeology, just chillin' by the water cooler.

This historic hotel invented the chocolate brownie.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

A science teacher's dream.

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

An antiquated German apothecary on Chicago's North Side.

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

A lush green oasis in the middle of Chicago.

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

The so-called "world's shortest river" is actually a window into a cave.

The abandoned bathhouse is all that remains of the hot springs considered Florida's original tourist attraction.

Florida's first suspension bridge.

This picturesque ghost town is located on the banks of the Suwannee River.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.