Partially submerged Buddha heads freckle Chicago’s neighborhoods.

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

A science teacher's dream.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

An abandoned 146-acre summer resort slowly being reclaimed by nature.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

An important piece of history from mankind's journey to the moon sits in the lobby of a government science lab.

One of the largest open-pit copper mining operations in the entire country.

Giant telescope mirrors built in a spinning furnace under a college football stadium.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

A lush indoor jungle fills this bustling Madrid transportation hub.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.