A piece of solitude and tranquility in the heart of East Saint Paul.

Home to part of the world’s largest private collection of original manuscripts and documents.

Journey through the largest remaining peat bogs in the contiguous United States to see the wilderness as it once was.

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

A museum dedicated to the exploring past, present, and future innovations.

The remains of a World War II munitions factory still haunt the fields of this Twin Cities suburb.

This large midwestern cavern features impressive rock formations and an underground waterfall.

Money made from smuggling sugar helped create this wondrous rock maze in honor of the Prussian Queen Louise.

This lab's maddening silence is good for business but bad for sanity.

This 1960s kinetic artwork has been restored and is once again whirling away in downtown Minneapolis.

The hottest place on the planet.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

The oldest stone house in Paris was built by its most famous alchemist.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.