An expansive book store, art gallery, and curio shop with wares ranging from tarot cards to novelty socks.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

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

An antiquated German apothecary on Chicago's North Side.

These mansions date back to Chicago's days as a brewer's paradise.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

A museum dedicated to exhibiting remarkable outsider art.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

One of the largest underground systems runs under Canada's largest urban center.

The Incredible Hulk, Yoda, Mulder and Scully, and many many others watch over the mean streets of Toronto.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

The gilded vestiges of a sterling department store can still be found in a Brooklyn shopping center.

Ride the subways of yesteryear.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

An illegally built ramshackle mansion tucked in the middle of Brooklyn is now being turned into condominiums.

This neo-Gothic former auto showroom is one of the few remaining reminders of Brooklyn's "Automobile Row."

Sniff the Titan Arum's rotting flesh.

The childhood home of one of America's greatest unsung troubadours still stands in a much changed Brooklyn neighborhood.

A decommissioned military complex that's now a modern industrial park.

The return of something once considered a basic part of life.

Where one of Greenpoint's "five black arts" was practiced.