An outlandish shoe shaped house built by an eccentric millionaire.

The tomb was guarded by soldiers from both sides of the war, and some left their initials carved in the brick.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

Willy Wonka would love this weird half-a-home.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

"A hideous albatross in the Hudson River Valley."

The empty tomb that houses the memories of Roy Bertelli's revenge.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

A fitting attraction for the corn capital of the world.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

The only presidential monument to display a late POTUS's actual casket.

Inside the unassuming cemetery chapel is a magnificent stained glass window and mosaics.

A jukebox headstone marks the grave of the Cleveland disc jockey credited with coining the term “rock 'n' roll."

The highest point in Iowa, while not that impressive to mountain states, has earned its own monuments.

Hidden behind Lincoln's head is a chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Every president in history is immortalized in bronze in downtown Rapid City.

Home of the golf club used by Alan Shepard on the moon, and more artifacts from the sport's history.

The summit Roosevelt conquered before he descended to become The Chief.

An architecturally unique lighthouse that had to be lifted up and moved to avoid falling in the sea.

Built by the patriotic residents of Boonsboro in a single day.

Bizarre Cavern.

The world's largest public collection of PEZ memorabilia.