This erect, phallic geological spire wasn't always named so domestically.

A wonderland of caves in eastern Iowa.

Grant Wood painted some of his most famous works of art at this studio.

Architectural elements and building materials for this house were transported from Salisbury, England.

This tiny site in Iowa, part of a patchwork national wildlife refuge, is home to ancient flora and fauna.

An obelisk commemorating Lincoln's role in connecting the coasts.

One of just a few cities in the world to base their center of government on an island. Others: Paris and Osaka.

The farm toy capital of the world hosts a museum filled with toy tractors dating back to the late 1800s.

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

The remains of a bustling turn-of-the-century park built to showcase the wonders of electricity.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

Home with Gothic windows featured in a famous painting.

This zombie-themed restaurant stands out in the heart of corn country.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

Patrick Dougherty's fantastic living tree sculptures, mind-blowing but temporary.

This former mill tunnel was blasted under the ridge to divert a portion of the Muscatatuck River.

Home to some of Indiana's last bison herds.

This rock formation above the Wabash River is part of an ancient coral reef.

A set of tall pillars and alcove-like rooms that are significant to the Miami people of Indiana.

The humble Hoosier roots of a famed Broadway composer.

At the turn of the century, a chair like rock sat at the top of the falls and hosted the winner of a local beauty contest.

One of the few authentic Japanese gardens in the state of Indiana and perhaps the most peaceful place in the city of Mishawaka.

Discover a beautiful natural paradise, minutes away from a thriving city.

Indiana's oldest sternwheel paddleboat has been plying the placid waters of Webster Lake for 90 years.