This handsomely carved wooden church is more than 800 years old.

A little-known cafe in an old copper bridge tower with 360-degree views of the harbor.

The highest point in Denmark has been a matter of dispute for over 80 years.

The castle used by the Danish Royal Family as a hunting retreat.

Once a granite mine, this beautiful lake is the perfect place to cliff jump and zipline in Denmark

According to legend, this is the burial place of a mythical three-legged death omen horse.

Northern Europe’s largest castle ruins sit precariously on an island cliffside.

Discovered in a peat bog, these horned helms come from a thousand years before the Viking Age.

Long before ultrasounds and modern testing, medical specimens like these conjoined twins helped physicians learn about congenital anomalies.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

The decaying remains of a 1960s mechanical wonderland that never officially closed.

A novel collection of medical curiosities housed in an 18th-century surgeon training academy.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

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

A charmingly eccentric magma chaser presents his complete history of the island's eruptions since 1947, in cinematic form, just for you.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

Two volcanic lakes in an enormous crater formed in a prehistoric eruption.

A sulfuric martian landscape that looks far better than it smells.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

Legend has it the lovelorn tears of a princess and a shepherd boy formed the blue and green twin lakes in the Azores archipelago.

Europe's oldest still-operational tea farm also boasts a spectacular view.

This abandoned five-star hotel is now a five-star urban exploration destination.

A seemingly simple canyon that was the backdrop to a number of famous movies.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.