A black cat protests the City Guild in Riga's Old Town.

The Guardian of Tallinn.

A former imperial sea-fortress and Soviet prison.

A collection of collections ranging from dentistry to minerals.

Early habitat dioramas and home of the elusive gaff, the skvader.

Medicinal spa created with the discharge from a geothermal energy plant.

An encyclopedic collection of mammal penises.

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

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

What happens when a sculptor has to find a way around a 100-year-old copyright.

Traditional 15th century Chinese garden in the middle of Vancouver.

Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

The home of aviation trailblazers, in a remote corner of the big city.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Dedicated to preserving the history of free Black communities in Brooklyn and beyond.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Headquarters of the world's fourth largest Hasidic sect and the first of many "770s" around the world.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A mass grave for victims of one of the city’s worst fires.

A curious friendship between two inanimate ladies.

Sniff the Titan Arum's rotting flesh.

Offbeat arts organization that hosts exhibitions, events, and explorations.

Once called Winthrop Park in 1889, home to a decidedly sexy tribute to the Monitor vs. Merrimac battle.