This monument honors the band's impromptu performance at Cadillac highschool's homecoming decades ago.

House built with over 60,000 glass bottles.

The house where Lincoln drafted the Emancipation Proclamation.

Engraved in stone here are the signatures of everyone who signed the Declaration of Independence.

This tiny, one-acre cemetery serves as a reminder of when the Civil War got close to the nation’s capitol.

The Lincoln Memorial has inspired many, even though a word on the inscription appears to be spelled incorrectly.

Every drop of D.C. tap water flows through this old waterworks.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.

Washington's top-secret Cold War-era doomsday communications tower is located in a small neighborhood park.

This robust fence in front of a historic Georgetown home is likely made from hundreds of recycled Revolutionary War firearms.

A collection of more than 10,000 racist objects that teaches the atrocities of social injustice and intolerance in American history.

This log cabin gallery is one man's gnarly, hand-carved tribute to his favorite trees.

This enormous fish commemorates the unplanned release of brown trout into a Michigan river.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.

With a 90-foot wingspan, the world’s largest loon sculpture stands outside Allianz Field.

The Midwest's reigning king of surplus stores is full of nothing you need and everything you want.

A museum within a museum, devoted to history's most questionable medical devices.

This iconic water tower and failed bandstand is open for panoramic views once a year.

The only arched bridge made of stone on the entire Mississippi River.

This old residential building was once the largest flour mill in the world.

When flour explodes, it's not a pretty sight.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.