The vast, legendary catacombs hold secrets much stranger than stacked bones.

The Guardian of Tallinn.

The oldest continuously operating pharmacy in Europe.

The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

Museum design and public transportation meet in this unique Russian train car.

A magnificent, Disneyesque chateau built for 150 lucky kindergarteners.

An iconic Soviet statue of working-class people.

Moscow's imposing monument to the Space Age.

Museum celebrating the achievements of the Soviet space program.

Some Moscow residents once claimed the bizarre, contorted mass of metal on top of the building was used to manipulate minds.

This massive monument honors the first human in space.

Dozens of padlock-trees along the Moscow River.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

One of the world's tallest statues is also one of its most hated.

Its front wall is striped with a menagerie of fantastic beasts and magnificent monsters.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Five candy-colored villages on the Italian Riviera.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

This seaside Italian village doesn't just look Escher-esque, it actually inspired the mind-bending artist.