The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Belly up to the bar in Cowtown, don't forget to buy some boots.

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

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

Alexander Hamilton’s creation caused quite a bit of controversy.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

One man's love for East Coast diner culture brought an entire eatery all the way from New Jersey to Colorado.

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

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

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

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

Community bookshelf of 25-foot-tall book spines.

Journey up the capitol building's cupola for an amazing view of Topeka.

This historic early-20th-century building still boasts some of its original features.

The oldest house in Lindsborg, Kansas, includes some fascinating inscriptions.

This 41,000-acre wetland complex is the largest marsh in the interior of the United States.

Also known as the Cathedral of the Plains, this church holds the distinction of being one of the "8 Wonders of Kansas."

A brick-paved former section of the historic coast-to-coast highway.

This lesser-known geographic marker was the reference point for all surveys of the continent for 75 years.

This quaint museum lets you take a ride on its antique carousels.

Topeka has its own great wall, and it's covered in colorful images from the city's history.

One of the best examples of Art Deco architecture in the United States.

A half-size replica of the World Trade Center towers above Tulsa.