This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.

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

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

Old Danish castle immortalized in Shakespeare's Hamlet.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

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

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

This sublime architectural marvel is a rare example of an expressionist church.

Copenhagen's celebrated theme park and gardens.

Swedish skyscraper with a 90° twist.

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

This shale formation along the Appalachian Trail once inspired the third president of the United States.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Time travel with sweets across history at this research-based candy store.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

An unusual building on a "desolate hill" features the works of an Icelandic sculptor.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Paths are maintained, but trees have taken over plots.