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

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

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

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

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

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

A speakeasy takes on Chicago's drinking culture.

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

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

A display of magnificent stained glass windows is the first exhibit of its kind.

Internationally known record store and purveyor of "dusties."

A monument to the art of slicing people open.

Where monkeys run wild and the humans are caged.

Stare out over the lagoon and beyond from this 10th-century campanile on the island where the city of Venice began.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

Where Venice's gondolas go for a tune-up.

Venice's "Island of the Mad."

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

The timeworn "Yankee Stadium" of the fastest game in the world isn't going anywhere.

Former villa and estate of James Deering developed to preserve native tropical forests.

This historical swimming pool near Miami is emptied and refilled each day with naturally filtered water.

It turns out that a hurricane-prone beach is probably not the best place to house wild animals.

An underwater city for the dead.