More than 3,200 cookie jars line the walls and shelves of this little shop and over 1,000 salt and pepper shakers

Train cars and railroad artifacts abound at this restaurant devoted to railway history.

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.

A castle built by an eccentric medieval enthusiast in rural Ohio.

Historical structures and natural wonders await visitors to this preserve.

An art deco ice cream shop covered in vintage train station tiles.

One of the first historical sites of an alternative universe was installed in the town of Paris, Illinois—which is now home to an annual spelling bee of Kcymaerxthaereal words.

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

In an alley not far from where two great highways meet, byways of a very different sort are honored.

The only freestanding table rock formation east of the Mississippi.

A medical facility that has been kept frozen in time.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

The longest navigable underground river in the United States is home to countless blind and albino animals.

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

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

Where hikers on the Tecumseh Trail can exchange a dirty sock for a free geode.

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