A wonderfully kitsch bookstore the size of a supermarket.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

The ghostly remains of what was once the world's richest copper mine.

The highest point in Texas is capped by a big silver pyramid.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

Georgia's highest point was given its strange name thanks to a simple translation error.

A large stone map of Arkansas awaits visitors to its highest point.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

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.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

An experimental, automotive replica of Stonehenge.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

These massive mitts are made of 30 tons of devotional bronze.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

Community bookshelf of 25-foot-tall book spines.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

Curious rock formations in a tiny Kansas state park.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

A unique attraction and museum dedicated to exploring iconic roadside structures.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.