This Danish art forest places loud works of contemporary art among the pensive silence of nature.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

This glamorous old building is said to have inspired the Tower of Terror.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

A swing to dangle you off the very edge.

Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.

Tucked away in a corner of a Maine general store there was a museum devoted to an equally beloved and reviled local soft drink.

The wooden octagon in which Huckleberry Finn and A Connecticut Yankee were born can still be visited in upstate New York.

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

The first spinning jail built in the United States is the only one that still turns.

Austria's very first and only nuclear power station was completed but never used.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

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

The villagers of the coldest inhabited place on Earth adjust to unique challenges presented by day-to-day living.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

The history of German architecture is explored across this fairy-scale mini-city.

The world's first ice hotel is still one of the most elaborate and beautiful.

Tucked away atop a quaint Alabama pharmacy is this tiny display of antique medical tools.