This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

This marker identifies the location where three states converge.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

A scrap-metal sculpture recalls an infamous 19th-century camel.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

One of the largest open-pit copper mining operations in the entire country.

A stone pillar marking the location of the westernmost battle of the American Civil War only honors one side of the conflict.

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.

Take a monster truck tour around an ostrich farm in the middle of the desert.

A spiritual vortex among the red rocks in Sedona.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

The prototype for all Nazi concentration camps.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A small but immensely extravagant palace built by the "Night King."

The fairy tale castle of the "fairy-tale king."

This ancient Irish tower could easily have stood in for Rapunzel's prison.

This single room has survived the centuries with almost no deterioration.

Concrete strongholds stand guard over the Golden Gate.

Elvis's own personal tropical hideaway.

Walk the whole Mississippi River!

A 16th-century Andalusian palace.

The final resting place of the great navigator, or maybe his brother.