This Indianapolis landmark offers a secret panoramic view of the city. 

Inspired by a piece of concrete, these three pyramid-shaped buildings have been beloved Indianapolis landmarks for over 50 years.

A herd of roughly 250 American bison roam these plains.

This former Indiana quarry has been transformed into a park and SCUBA site where divers can explore the drowned mining equipment.

The bespectacled, cocktail-sipping pachyderm is a strange but fitting liquor store mascot.

Symbolic attempt to overcome the issues of life.

The longest navigable underground river in the United States is home to countless blind and albino animals.

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

The rusted remains of an ill-fated freighter lie just off the coast of South Manitou Island in Lake Michigan.

Accessible only by boat, this centuries-old island fort never saw troops or combat.

Dispersed across 45-acres, 39 structures house a massive collection celebrating American Folk Art.

A giant toy jack made of numerous welded-together fire hydrants.

A 150-square-foot masterpiece of American landscape art is the crown jewel of this library and art gallery in Vermont.

Dozens of playful sculptures blanket these 200 rolling acres of farmland in an ode to art and landscape.

Scary metal statues adorn some of the signature buildings of Burlington, VT.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

A pair of black granite tails dive into a sea of grass in landlocked Vermont.

A small Second Empire-style building is one of only seven remaining lighthouses on the Hudson River.

The Hudson River School comes alive at this palatial estate.

Home to the abandoned Tioronda Hat Works Factory, this park is a combination of woodlands and marshlands.

The remains of what was once the world's steepest passenger funicular.

A 19th century hat factory still stands as a crumbling ruin in upstate New York.

Collapsing castle on the Hudson river was once the storage site of military surplus business.