The 25th President's marble casket can be visited in this classical Ohio tomb.

In this relatively flat state the highest point is an honored place.

Mausoleums, astronomy, and animatronic dinosaurs at this memorial to an assassinated American president.

An unassuming 13-acre park is home to over 12,000 roses.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

An office built to look like a giant basket.

The largest ancient burial mound in Ohio.

Deep scars on the earth left by the Ice Age.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

Rare recess caves fill this unbelievably beautiful Ohio park.

The largest earthwork effigy in the world.

Take a drunken tour inside the world's largest known geode.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

Ornate limestone building now filled with geologic specimens, and more.

The world's largest collection of mechanical puzzles is a cornucopia of analog bafflers.

The world's largest anatomically accurate brain sculpture.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

A lesser-known part of the Kinsey Institute is this impressive collection of art, artifacts, and material culture related to human sexuality.

A winged-helmed, sword-brandishing tribute to German Americans.

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

After the musical legend's death, his memorial was mysteriously graffitied in gold.

A town honors its legacy of traditional American Indian pipe carving with one gigantic pipe.

Direct, creative challenge to Mother Nature's winter wrath.

Downtown Minneapolis mixed art and function by turning some of their sewer covers into works of art.