A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.

Coins and medals straight from the mint await visitors to this shop in the nation's capital.

In Houston's airport, a cow is properly equipped to jump over the moon.

Outside of one of Britain's most renowned social clubs, a step installed specifically for the Duke.

This mountainside mural of a person carrying a torch was created for the 1994 Winter Olympics.

A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.

A monument dedicated to the civil uprisings that took place during the Pots and Pans Revolution.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

Generations of rockhounds got their start at this beloved, historic mine.

A piece of baseball history is preserved in a Pittsburgh parking lot.

A museum celebrating rare American motorcycles where everything runs—and none of it quietly.

Step back in time on this preserved 1800s farm.

The location where the iconic movie character declared it was time to go home.

These markers are used to document elevation changes around the famed dam.

This garden located inside a bamboo forest once belonged to a famous Japanese actor.

Inside the Wayne County airport is an amazing collection of lights and sounds.

The figure atop this globe is from a Serbian play about a merchant's travels around the world.

One of the few beardless depictions of Lincoln, George Grey Barnard's 1917 statue was denounced by many—including Lincoln's own son.

America's first public lending library began with a gift from Benjamin Franklin.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

This "life-size" depiction of Mickey Mouse as a half-lobster is both whimsical and a bit creepy, standing guard over the Boston waterfront.

This Moab institution functions as both a rock store and a small natural history museum.