This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

This public space is speckled with the eerie remnants of a defunct amusement park.

This museum remembers the tough Mormon trek across America through an intriguing array of artifacts.

An inconspicuous footbridge beloved by San Diego locals.

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

This park is home to well over 100 handmade birdhouses.

Famous and forgotten figures lie beneath the faded headstones and decaying planks of wood.

The last Americana on Route 66.

Hundreds of trees made from glass bottles make up this forest on Route 66.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

Decommissioned experimental solar facilities that pioneered solar energy technology.

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

A desert settlement founded and later abandoned by Hawaiian members of the Church of Jesus Christ of Latter-day Saints in Utah's Skull Valley.

What's a diner from the 1939 World's Fair doing in a remote Utah mountain town?

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

Largest man-made excavation on earth!

This giant ice cream cone is the last remaining icon of a Salt Lake City staple.

Visitors to this library are in for a real-world education in modernist architecture.

A replica that won't float away.

Pyramid home to an obscure religious group that practices modern mummification.

This public park was the site of the largest civilian disaster of the Civil War.

Could it have picked a better place to land?

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.