This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

Supposed Massachusetts Grave of a pre-Columbus Knight Templar.

Row, row, row your pumpkin quickly down the stream.

A multiversal transit station located right below a highway interchange.

This gallery is home to everything from antiques, to ancient tribal masks.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

An ADA-accessible trail and deck offering stunning views of Colorado’s Mount of the Holy Cross.

This open-air reconstruction of an Old West town, a cross between a theme park and a museum, provides an immersive historical experience.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Explore some of the most unique vehicles in history along with a cast of unsettling mannequins.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

The highest bridge in America was built for an almost unnervingly small amount of money.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.

Most historians agree that the so-called "Gentleman Pirate" wasn't much of either of those things.

This multisensory alley has the ability to remind bustling citygoers to stop and smell the roses.

At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

Some of the best pastries in "the Czech heritage capital of Texas" come from a gas station off I-35.

A medieval castle in the middle of rural Texas.