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

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

This freshwater spring fills with 10,000 gallons of water per minute.

One of the oldest and tallest lighthouses still in service on Lake Michigan.

The only thing these street signs will help you navigate is your imagination.

This rooftop sign has been confusing Milwaukee-bound airline passengers for decades.

Prayers and messages of hope decorate the ceramic tiles of this pavilion.

Years of archaeology, just chillin' by the water cooler.

A museum celebrating the self-taught artist-environment builder.

A bypass decorated with large wooden troll carvings.

A Bibliophile's Dream.

Whimsical sculptures dot a woodland path surrounding their creator's old summer cottage.

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

A bedazzled house and crown "jewel" of outsider artist Loy Allen Bowlin.

One of Frank Lloyd Wright's final works was this UFO church.

A lovely hidden waterfall right off the highway is well worth a stop.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

This 19th century brick building in Brooklyn stands out like the anachronistic landmark that it is.

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

Commemorating the spot where the famous scientist fed his pigeons.

This diesel train serviced the Brooklyn waterfront for more than three decades.

This metal eagle one of the final remnants of a newspaper that wanted to keep Brooklyn to Brooklyn.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

Unlock the secrets of the conjuring arts.