Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

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 tunnel under the Capitol Building where Congress takes out its trash.

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

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

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

What is it about mushrooms that makes people wish they lived inside of them?

Massive still life just off the highway in Kansas.

These aggressively sustainable art homes look like something out of 1970's science fiction.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A technicolor place of worship for Elevationists.

A memorial dedicated to the victims of the Columbine High School shootings.

This stone marker honors the man who released Canada goose goslings in Fort Collins, Colorado.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

After the parade, students throw their beads on the tree hoping for good luck on exams.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.