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

This unique zoo is the only place in the world where you can see all 15 species of crane.

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

A forgotten Cold War relic hidden in the outskirts of a Wisconsin city.

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

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

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

Five acres of divinely inspired folk art.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

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

This cave holds a surprisingly colorful variety of geological oddities.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

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

A bizarre house filled with an astounding array of collections.

An exhibit of items from the mental institution where Mary Todd Lincoln lived after her son conspired to have her committed.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

A hidden grotto on the grounds of the Kane County Government Center.

This cemetery is all that remains of a school for "wayward" girls.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.

This historic-shipwreck-cum-diving-spot can still be seen poking its boiler out of the Lake Michigan waters that claimed it.

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

Eclectic collection of rare and beautiful stones in a historic home.