Memorial to the 137 lives lost on a ship fire, the whole hulk of which washed up on the Asbury Park shore.

A mythical chimera first sculpted in 1936 as a mix of the main animals of Texas livestock.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The summer home of the largest colony of bats in the world.

A small island hides in plain sight on Austin's Lady Bird Lake.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.