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

A European-style bath house in Chicago.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

Go inside to really appreciate this 500-year-old technological masterpiece.

The celebrated eyesore created by starry-eyed sweethearts.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

This little-known relic crypt holds stolen parts of a Roman Empress.

London's smallest police station is barely the size of a phone booth.

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

Little island known for its massive beachfront "flowerpot" pillars.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

This mundane shopping plaza is named after a gruesome piece of flotsam.

This historic Victorian hotel has a scandalous history of affairs and murder.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

San Francisco’s condensed garden of incredible plant growth.

60 feet of towering steel balances gracefully.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Haunting and beautiful trees, doomed to die.

Art in the form of a winding, man made crack in stone.

Perfect your fly fishing technique on their practice ponds.

Oldest building in California still in use.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

Radioactivity still cause for concern at this urban explorer's paradise.