Berlin's old airport.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

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

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

A 200-year-old collection of medical paraphernalia in a historic house.

One of the world's few mounted blue whales, its jaws are hinged open allowing visitors to descend into a lounge.

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

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

Metro station with a claim to rock n' roll fame.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

Colorful and chaotic stacked hotel in North Holland.

This wooden hotel is a temple to German sustainability and forest conservation.

Remnants of an exploded schooner and wrecked submarines form a breakwater.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

Model Trains and Much More in Hamburg.

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

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

This shop specializes in oddities and Victorian-inspired wonders.

Every year, over 25,000 monarchs overwinter in Pacific Grove.