This double-arched masonry highway bridge is the only structure of its kind in Minnesota.

An abandoned bus station transformed into a museum dedicated to the history of Greyhound Lines, in the place where it all began.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

One of the coolest murals in Minneapolis.

Minnesota's oldest and deepest mine is now an underground physics laboratory.

A collection of pianos and more guaranteed to delight anyone interested in music history.

An amazing collection of sculptures and art.

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

Duluth mineral magnates built this charming art deco lodge to be their private clubhouse.

A spooky defunct railroad tunnel now part of a sprawling trail.

The literary king of the Jazz Age was born in this lovely Minnesota home which still honors his legacy.

A mapping error in the 19th century made loggers think this section of the forest was underwater.

This replica of an 8th century burial ship actually sailed to Norway before returning home to Minnesota.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

Admire the art and then buy a raccoon skull cleaned by flesh-eating beetles.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

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

A museum within a museum, devoted to history's most questionable medical devices.

This Gallo-Roman sanctuary is dedicated to Serápis, god of the underworld.

This historic streetcar system has been running since the 19th-century.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

This star-shaped military outpost is now simply trying to protect itself from neglect.

A majestic hotel for dreamers rises from the center of a fairytale wood.