An urban laboratory.

The celebrated eyesore created by starry-eyed sweethearts.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

A layered tribute to the work of mosaicist Isaiah Zagar.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

What is the Thing?

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A self-built castle made by a mysterious man.

Dramatic river bend surrounds a natural red-rocked pedestal.

See massive fossils that are over 200 million years old in northeastern Arizona.

Rippling sand dunes frozen in the Arizona rock.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.