Places Gustaven Wants to Go

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

This hulking behemoth is actually five interconnected towers built in the 1960s.

A centuries-old copper mine that once provided two thirds of the world's copper supply.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

A fiery crater has been burning in the Karakum Desert since 1971.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

Only spot in the world where an HVDC powerline, a single phase AC and a three phase AC powerline all meet.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

The largest whale museum in Europe allows visitors to walk among life-size giants.

This lake-bound geographical marker sits at the point where three European countries intersect.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

Denmark's famous pseudo-hill.

These old World War II fortifications have been transformed into an unusual equine attraction.

Remnants of the Nazis' occupation of Denmark linger along the sand.

This Danish castle is supposedly haunted by a woman too independent to not be a witch.

Tiring of digging out the door to this church for every service, it was eventually abandoned to the sands.

Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.

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

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

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

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