Meet Rita the Rock Planter, one of Danish sculptor Thomas Dambo's enormous wooden trolls.

This tiny, triangular block has held the world record since 1964.

A stretch of highway even lonelier than the so-called "Loneliest Road in America."

A famous—but endangered—plant is on view at an unassuming nature preserve a quick drive from Myrtle Beach.

A colossal concrete penguin announces this Montana town as the coldest spot in America. But is it really?

Winter and summer solstice aligned sculpture in the middle of nowhere.

The world's largest otter started his life as a high school shop project.

This vivid painted ceramic sculpture evokes the expansiveness of the prairie sky.

A rock that was too big to move, so the town just paved around it.

A Google software engineer's Easter egg led to what may be the world's most unusual saved screenshot.

A classic theatre located along a desolate Montana road.

This 18-foot-tall public art installation is another of sculptor Thomas Dambo's trolls.

Salina's eye-catching giant mural depicting children at play is painted atop a century-old mill elevator.

An iron monument on the 120th meridian as surveyed, one of only four marking the boundary between Nevada and California north of Lake Tahoe.

Since its original beginnings as a weather observatory mountaintop, this facility played an instrumental role in gathering atmospheric data for almost 100 years.

This pristine World War II airfield gives a comprehensive look at atomic development and aviation history.

Catch two 18-foot-tall ranchers mid-brawl as you drive by on Highway 285.

A volcanic core jutting above the plain between the Snake and Boise Rivers, a marker identifies the reference point for all U.S. Government Surveys in Idaho.

Once owned by the largest employer in Colorado, these ovens have been abandoned for over a century.

An abandoned incline railway site is now a green space with six acres of trails connecting hilltop neighborhoods.

The entire history of the U.S. Space Shuttle Program is painted on an enormous roadside water tank.

Under the right conditions, rocks will move across this dry lakebed, leaving trails behind them.

Circleville is seriously smitten with this giant gourd.

Picturesque and haunting, these 160-year-old stone ruins on top of a bluff are the only remains of a settler's legacy.