Finally, you don't have to be a pious Swedish seaman to relax like one.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

Built in France in the 1400s, this gothic chapel now resides at Marquette University in Milwaukee, Wisconsin.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

This was once the largest four-sided clock in the world (yes, even bigger than Big Ben).

A wonderfully curated used bookstore in an airport.

This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

There aren't too many operational funiculars around, but Pittsburgh has two!

When oil was discovered just outside of Pittsburgh, the city became home to this regional stock market.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

Once used to screen films for theater owners to rent, this historic building is now a start up hub.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

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

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

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

In 2004, a Dave Matthews Band tour bus dumped 800 pounds of waste off a bridge and onto an unsuspecting tour boat below.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.