The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

Comprised of Spanish war cannons, this sculpture once graced the bow of a WWI warship.

Where experiments are conducted on all things wood.

The arboretum whose marshy soil sucked up the dreams of housing developers.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

A unique botanical garden housed in three giant geodesic domes.

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

A large circus museum with summer performances.

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

This cave holds a surprisingly colorful variety of geological oddities.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

Three playfully immersive mini golf courses let you travel alongside your ball to the cup at this facility, which has been around since the 1950s.

This forgotten beach house built to look like a Frank Lloyd Wright masterpiece overlooks a hidden beach.

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.

A curious sculpture garden and museum in Cochrane, Wisconsin.

A bizarre house filled with an astounding array of collections.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.