The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Giant origami crease patterns engraved in Santa Monica intersections may even be visible from space.

A second generation sun-powered marvel lights up the night.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

A Looff creation in Santa Monica best described as “a California-Byzantine-Moorish-style fantasy.”

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

Where the embers of the Big Bang were first detected.

Cat art as far as the eye can see.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Where beautiful signs live on forever.

Ride the subways of yesteryear.

One person’s lost luggage is another person’s treasure.

A wall of chewing gum moonlights as collective art.

An art deco ice cream shop covered in vintage tiles.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

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

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

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

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

A museum dedicated to the history and exploration of both popular music and science fiction.