These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

The titular fictional logger only inhabits this otherwise historically focussed museum via a piece of fiberglass kitsch.

The rogue roots are gradually consuming some of the historic marble grave markers.

Literally a million fascinating cartographic artifacts are held in this sprawling university collection.

This free, take-a-book shop seems like a trick but isn't.

Elevated freight railway turned wildly successful urban park.

A layered tribute to the work of mosaicist Isaiah Zagar.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

A Beaux-Arts triumph set to become Ford's innovation campus

The world's longest known cave system.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

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.

The first declared National Monument in the United States.

A fitting attraction for the corn capital of the world.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

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

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

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

10,000 flowered plants bloom in the City of Roses.

The magic's in the hole!

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.