One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

This simple home was the beginning of a long journey for the iconic Western film star.

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

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

One of the world's most definitive collections of musical instruments, spanning all cultures and historical periods.

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

An impressive collection of farm equipment and other artifacts from life on the prairie.

Underneath downtown Lincoln resides a network of caves that was also the city's first brewery.

This massive railroad spike celebrates the 1939 premiere of the movie “Union Pacific.”

An obelisk commemorating Lincoln's role in connecting the coasts.

The notorious couple camped at this site after a bloody shootout with police.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

Easily overlooked in favor of the wineries that dot the region, this blast from the past is equally worth the visit.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

A bizarre house filled with an astounding array of collections.

This Wild West attraction is alive with glitching automatons.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

A fitting attraction for the corn capital of the world.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

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