Springtime is go time for this repurposed shack and the fish it venerates.

Amazing views of Long Island Sound can be seen from this mountaintop tower.

The world's largest public collection of PEZ memorabilia.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

New York's oldest magic store.

Enormous lake at the bottom of a unique cave system.

This shop specializes in oddities and Victorian-inspired wonders.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

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

A unique botanical garden housed in three giant geodesic domes.

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

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

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.

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

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

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

The only arched bridge made of stone on the entire Mississippi River.