New fungal and bacterial species call this deadly lake home.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

This sculpture gallery is home to magnificent beasts made of scrap metal and found objects.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

Just a man taking his prehistoric pet for a stroll.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

One devoted couple has donated multiple recreations of Michelangelo's sculptures to this South Dakota town.

Legend has it that this bronze orb, which sat atop an ancient Egyptian obelisk, once held the ashes of Julius Caesar.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

Outsider art meets paleontology at this roadside reptile repository.

A display of magnificent stained glass windows is the first exhibit of its kind.

Hidden on the 7th floor of a historic building, this Cajun spot features wall-to-wall bottles of hot sauce.

Over 1,000 pieces of one of the most niche art objects imaginable: the glass paperweight.

A Japanese temple, old German townhouses, and public chess tables offer a peaceful escape from the bustle of the North Side.

An eccentric park and pool.

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.

An avant garde art museum at the University of Chicago.

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