This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

The highest concentration of petroglyph sites in Gold Butte National Monument, plus an improbable early 20th-century dam.

An unusual slot canyon in the Aztec/Navajo Sandstone has a cross-section like an inverted old-fashioned keyhole.

An abandoned saucer-shaped monument in the Bulgarian mountains.

A deserted hodgepodge of experimental structures designed by nearby university students.

Shipwrecks, ruins, and turtles are all that remain on this haunting Caribbean ghost island.

This arcade is one of the last places to catch a public performance by the now-defunct ShowBiz Pizza's house band of animatronic animals.

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

According to legend, this rock represents a young girl trapped by an evil ocean spirit.

The largest and most well-preserved petroglyph site in the Verde Valley.

This memorial marks the devastating day that Texas City was destroyed in a daisy chain of exploding ships.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

Rippling sand dunes frozen in the Arizona rock.

What began as a prominent Burning Man art piece is now an iconic symbol of downtown Reno.

Covering 37 subterranean acres, this Armillaria gallic is a famous fungus with its own festival.

This mill on Lake Erie appears to shrink as a viewer approaches thanks to an optical illusion.

After decades of neglect, a brutalist icon is getting new life as an eco-friendly hotel.

In 1952, this restaurant began selling the Colonel's “secret” recipe.

This whimsical fountain pays tribute to Toronto's four-legged friends.

The only airport with a people mover system designed by Walt Disney Imagineering.

This little dolphin is the first monument dedicated to the LGBTQ+ community in the southern United States.