After the musical legend's death, his memorial was mysteriously graffitied in gold.

The only arched bridge made of stone on the entire Mississippi River.

With a 90-foot wingspan, the world’s largest loon sculpture stands outside Allianz Field.

These curious caverns have been home to mushrooms, gangsters, and disco.

The basement bowling alley of this St. Paul dive bar is decorated with thousands of dollar bills.

This small, but beautiful waterfall has attracted visits from artists, composers, and two United States presidents.

Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...