The Guardian of Tallinn.

The oldest continuously operating pharmacy in Europe.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

This free museum is building a collection of books that are banned, censored or burnt around the world.

During the Soviet era, the spire of this longstanding church was used as a radio transmission tower.

A monument commemorating the 852 lives lost in the sinking of the MS Estonia.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

A floating cat sanctuary on an Amsterdam canal.

The bones of two medieval royal lions were discovered at the historic fortress.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

A whimsical bridge adorned with decorative dragons.

Buy raw milk from a 24/7 vending machine or pick up tomb candles at this local market.

This trippy wonderland is the result of one man's obsessive, decades long passion project.

This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.

The ancient latrines of the Greeks, in all their public glory.

A charming beach town in Turkey captures all the colors of the rainbow.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.