A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

A monument to the art of slicing people open.

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

The 606 is a decade in the making.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

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

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

The oldest house in Chicago certainly doesn't look the part and there are some who say it doesn't deserve its title either.

The hidden lair of an alchemist rediscovered in a 2002 flood.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

Megapodes incubate their eggs using the heat of an active volcano on this Pacific isle.

Outstanding, eerie frescoes and decorations fill this 19th-century monastery.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

An exhibit of items from the mental institution where Mary Todd Lincoln lived after her son conspired to have her committed.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

The famous author's birthplace is preserved in a town that he once described as narrow-minded.

The study has wall paneling from a 17th century ship.

This softly rounded mansion was built without corners not to avoid evil spirits, but to make them more comfortable.

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

A river with some unusual, and occasionally dangerous, habits.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

This underground museum highlights the history of Mexico City's subway system.

The first and only carousel with a lineup entirely of insects.