An abandoned relic of the city's failed experiment with below ground transit.

Inside this wonderland of weird, visitors are treated to a collection ranging from skeletons to haunted artifacts.

A hundred-year-old museum filled with giant physics toys and experiments designed by grad students.

This lush 12-acre site was once named the finest Japanese garden in North America.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

A wonderfully curated used bookstore in an airport.

Literally a million fascinating cartographic artifacts are held in this sprawling university collection.

The oldest certified bowling alley in the United States is in the basement of this century-old bar.

A unique botanical garden housed in three giant geodesic domes.

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

This striking art museum holds an amazing series of curiosity cabinets.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

Robots, lasers, and whoopee cushions, oh my!

This observatory comes complete with three separate telescopes and a dedicated community of amateur and expert astronomers.

The remains of a religious colony, its amusement park, zoo, and baseball empire.

This museum remembers an apocalyptic cult that became more famous for baseball than religious radicalism.