A bizarre example of collective behavior resulted in thousands of shoe prints in Vegas parking lots.

A professional special effects makeup artist’s collection of horror creatures and one-of-a-kind recreations on display in downtown Boulder City.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

A comprehensive collection of bonsai set in a beautiful campus.

This grove of ghostly cedars was killed in 1700 by an enormous tsunami, felt from the United States to Japan.

A tribute to the Nirvana frontman hides beneath the bridge that was the singer's beloved hangout spot.

A lovely park home with a few interesting guests.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

A place to eat for on-the-run agents and espionage enthusiasts.

Statue dedicated to the star of an old television show.

This striking art museum holds an amazing series of curiosity cabinets.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

A unique botanical garden housed in three giant geodesic domes.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

Literally a million fascinating cartographic artifacts are held in this sprawling university collection.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

This gravelly, dangerous highway is the only road in the United States that leads to the Arctic Ocean.