A wall of chewing gum moonlights as collective art.

A spiritual vortex among the red rocks in Sedona.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

Community bookshelf of 25-foot-tall book spines.

An architect's childhood fantasy treehouse made real.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The Iowa state contender for largest pan in the world oddly only comes in second or so.

Eight feet in diameter and more than 24 feet around.

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

A small rural town hides Indiana's tallest waterfall.

Victory on this battlefield catapulted William Henry Harrison to the presidency in 1840.

The large rock formation where the Shawnee prophet Tenskwatawa stood and encouraged his warriors during the Battle of Tippecanoe.

Historians and hobbyists head to this former French outpost for the annual Feast of the Hunters' Moon.

A Fibonnaci spiral model of our solar system.

Purdue students would lean over this iron fence to skirt campus rules against smoking and courting.

Walk in the footsteps of the famed astronaut at Purdue University.

An unknown number of cholera victims are buried in two nondescript graves.

The smallest post office in the United States is no bigger than a broom closet.

A building so large that it has its own weather.