The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

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

It would be easy to walk past this unusual piece of art and have no idea it pays tribute to the odd life of a real chicken.

The final resting spot of the Colorado Transportation Department's beloved unofficial mascot.

A massive volcanic plug is now a protected area that hosts a number of bird species.

The current Eureka County Courthouse replaced an all-wooden structure that had previously been an ice-skating rink.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Look closely and you’ll notice that the color changes a third of the way up the tower.

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

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

A downtown park built on top of unclaimed graves.

The largest piece of no man's land left on Earth.

A mysterious "wedding cake" castle in the middle of the urban desert.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

What was once the largest NFL stadium.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

This deadly little sliver of beach has seen hundreds of whales beach themselves over the years.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

Roaming bison and a spectacular view at the highest point in Nebraska.

Elvis's own personal tropical hideaway.

This historic hotel invented the chocolate brownie.