A new kind of theme park for adults off the Las Vegas Strip.

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

Eight "Guardians of Health" protect this art deco water tower from pollutants and bacteria.

Enter the Forest of the Elves.

A fence constructed completely of skis on Monroe Street.

Direct, creative challenge to Mother Nature's winter wrath.

This lab's maddening silence is good for business but bad for sanity.

A Museum Dedicated to the Heroes That Fight Fire.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

A Perpetually Under construction Park.

This 1960s kinetic artwork has been restored and is once again whirling away in downtown Minneapolis.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

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

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

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

All of Chicago's wood-paved streets are long gone but two alleys remain.

A monument to the art of slicing people open.

G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.

Inside, visitors are treated to the rich history of sugar farming and its impact on Hawaiian society.

A tunnel of hardened lava along Maui’s famous Road to Hana.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.