The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

The first monument in Estonia that was made by an Estonian sculptor.

Take a seat and hear a song by the composer Frédéric Chopin.

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

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

A spectacular Petrine Baroque summer palace commissioned for Catherine I by Peter the Great.

Inside this medieval church resides a unique set of murals.

The oldest continuously operating pharmacy in Europe.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

This statue is dedicated to the animal cosmonauts that perished during space flight experiments.

The reconstruction of this prominent building fulfilled a long-written command.

Rub it for a bit of good luck.

The world's first invisible city square is an homage to a man who pushed the boundaries of art.

A 15-foot-tall statue of the head of the Sopranos family greets passengers at a train station in southeastern Lithuania.

Over time, this castle grew to encompass the entire island.

This urban park is home to monkeys and a number of endangered plants.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

Try not to get slimed in Tribeca.