Orthodox church partially financed by Tsar Nicolas II.

Over 1,000 pieces of one of the most niche art objects imaginable: the glass paperweight.

To find the "unicorns of the deep" you've got to go downstairs.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

Discover a beautiful natural paradise, minutes away from a thriving city.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

An unknown number of cholera victims are buried in two nondescript graves.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

The humble Hoosier roots of a famed Broadway composer.

Tombstones carved to look like tree trunks are used for multiple generations of family members.

Train cars and railroad artifacts abound at this restaurant devoted to railway history.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

A rural hall of justice holds the world's only comic book and superhero museum.

This unassuming city park is home to three different types of Native American mounds.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

One of the few authentic Japanese gardens in the state of Indiana and perhaps the most peaceful place in the city of Mishawaka.

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

A trailblazing sovereign nation tucked in the American state of Wisconsin.

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

A unique botanical garden housed in three giant geodesic domes.