A 12-foot sculpture serves as a constant reminder of the importance of protecting and restoring the Boardman River.   

Strange physical sensations and optical contradictions keep visitors coming back for more.

Large one-man sculpture park in Michigan.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

Two well-hidden huts let animal lovers spend the night among the bears, wolves, and other predators of the forest.

Gods clash with machines in a power plant regenerated as a museum.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

Narrowest house in Boston.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Commonly acknowledged as the only public monument to the Devil himself.

One of the world's oldest universities houses an incredible collection of anatomical models, mummified body parts, and human bones.

This funky former tobacco factory is one of the most striking examples of Madrid's cultural diversity.

The earliest known map to show America, discovered by accident at a Paris bookshop.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.