A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

A crumbling hospital from the 1850s on Roosevelt Island.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Wisconsin's most celebrated export gets the royal treatment on I-94.

Arguably the best example of an authentic Dutch windmill in the United States, rivaling its counterparts in the Netherlands.

This monolithic statue was erected in honor of Chief Black Hawk (even if it wasn't made to look like him).