A monument first built to honor Confederate soldiers now honors their Union opponents.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This old-world mansion with lush gardens is a gem in the heart of Silicon Valley.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

This private residence was the template for one of the most beloved television homes of all time.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

Site of the first radio and telephone broadcasting companies in Copenhagen.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Swedish skyscraper with a 90° twist.

This chimerical bridge/tunnel appears to dead end right into the sea.

A Gothic-inspired fish market is Gothenburg's best place to find loaves and fishes.

This striking royal residence is the largest Renaissance-style castle in Scandinavia.

Old Danish castle immortalized in Shakespeare's Hamlet.

Considered one of the most haunted places in Europe, this 800-year-old castle was home to noble prisoners.

A symbol for the opposition to nuclear power around the world.

At these downtown crossings, pedestrian lights show axe-wielding Vikings instead of the usual walking figures.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

Along this stretch of beach in Denmark resides several massive bastions of energy.

Four alabaster giants contemplate the tides on the shore of Denmark.