The center of the only hemisphere that awards visitors with a commemorative coin.

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.

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

Vikings and Evangelicals have both had a hand in this replica medieval church.

This pebble beach is so beautiful that taking its rocks is against the law.

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

Every winter, dozens of otherworldly ice structures sprout up from a rigged up artesian well.

As the glaciers retreated out of northern Wisconsin, this unique natural wonder was crafted.

The tragic death of 19-year-old Mabel Tainter in 1886 led to the construction of this unique Victorian-era theater in the northern woods of Wisconsin.

Hunting trophies and antique guns make up the unusual display at this Minnesota bank building.

Hidden in magnificent rolling countryside, see what may be the largest modern stone circle in the world at Wisconsin's very own "Stonehenge”

Chilly air billows out from the entrance of an abandoned mine on a steep hillside, providing a refuge for Ice Age fauna and flora.