This earthwork installation sits on a grassy hill, celebrating Iceland's past and present.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

This stunning concert hall has become a symbol of Iceland's national recovery.

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

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

A commemoration of over 150 of St. Louis's favorite sons and daughters.

This is not your typical jungle gym.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

The eccentric and colorful pavilions of Tower Grove park are a beloved and overlooked symbol. 

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

This bridge was constructed from the remains of the first Ferris wheel.

Inspired by a piece of concrete, these three pyramid-shaped buildings have been beloved Indianapolis landmarks for over 50 years.

A rural hall of justice holds the world's only comic book and superhero museum.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

Indiana's oldest sternwheel paddleboat has been plying the placid waters of Webster Lake for 90 years.

These dramatic cola-colored falls have appeared in a poem by Henry Wadsworth Longfellow and a song by Sufjan Stevens.

The longest structure of its kind ever built in Michigan.

There's more contention than one might expect from cherry pie pans.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

Large one-man sculpture park in Michigan.

A comedy troupe's collection of bizarre humor.