Three hundred years of preserved Spanish colonial history in San Antonio.

A wonderfully curated used bookstore in an airport.

This quirky museum has a collection of more than 15,000 bobblehead dolls.

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

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

Once a speakeasy operated by Al Capone, this Milwaukee cigar bar is now a haven for ghost hunters.

A largely forgotten and touching neoclassical marble fountain overlooking a bear mound effigy.

Before he was America’s most famous preservationist, John Muir was an ingenious mechanical inventor.

Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

Legend says Dungeons and Dragons players can get their dice blessed at the creator of the game's memorial.

Statue dedicated to the star of an old television show.

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

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

A place to eat for on-the-run agents and espionage enthusiasts.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

A 115-year-old restored German dining hall awaits those who venture beneath the Minnesota State Capitol.

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

The remains of a enormous earthen figure of unknown origins cuts across a rural Wisconsin road.

143 feet of leaping muskie whose mouth can be used as a wedding venue.

Gambling, boozing, and yodeling animals cover the walls of this dive bar cum natural history museum.

Tirelessly maintained by a Wisconsin man named JFK.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

This institution celebrates the happy accidents of uncommon sticktoitiveness.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.