The eerie remnants of an ancient forest were hidden under the sand for centuries.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

Ride a mechanical corn dog at the alleged birthplace of America's favorite deep-fried wiener.

A massive sea stack famous for its appearance in The Goonies.

A Roman-style column in Oregon hides a spiral staircase inside.

A symbol of Texas pride.

This striking art museum holds an amazing series of curiosity cabinets.

A theme park attraction designed to turn your children into LARPers.

Built in 1933, this unique ballroom is nicknamed the "floating dance floor."

The world's largest talking cow would like to tell you about the benefits of 100% Wisconsin dairy products, if only she still could.

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

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

Half of a waterfall goes into the river while the other half seems to disappear.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

The watery grave of an impractical idea.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

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

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

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

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

Hidden behind Lincoln's head is a chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

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

This vintage train once gave new meaning to “swimming upstream.”