A gift from Emperor Franz Joseph I to his wife.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.

These plaques found across Warsaw commemorate the sites where executions or battles took place during the German occupation.

Visiting this café is like visiting the Austrian grandma you wish you had.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

This cheese shop also houses a museum devoted to Dutch dairy.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

A floating cat sanctuary on an Amsterdam canal.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

A stunning architectural yet functional feat, towering over Oslo.

This picturesque monastery at the base of a cliff is a peaceful oasis open to all visitors.

With over 10,000 lights, this engineering marvel lights up the city after dark.

This unusual elevator doesn’t stop or slow down.

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

This enigmatic artifact remained buried in a churchyard for years.

This charming Latvian lane doubled as Baker Street on the Soviet Union’s version of Sherlock Holmes.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

A stone marker and sculpture in the city of Riga stake a claim for the very first community Christmas tree.

Flamboyant architecture from the turn of 20th century.

3,000 market stands in five former Zeppelin hangars.

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

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