The Frank Zappa fan club erected this monument to their prog-rock hero to mark a new era of post-Soviet Lithuania.

This micro-nation may be some sort of prank, but its constitution sure seems official.

3,000 market stands in five former Zeppelin hangars.

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

The oldest housing complex in Riga is a mini timeline of architectural trends.

Flamboyant architecture from the turn of 20th century.

"There's nothing there," and other lies the KGB told us.

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

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

The castle where the Marquis de Sade lived out his darkest fantasies.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

Something's missing between the arcades of the Palazzo della Ragione in "the city of the three withouts."

This demon atop the Notre-Dame de Paris looks utterly bored.

The birthplace of the builder of the Statue of Liberty is now a museum dedicated to his work.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

This statue honors the thousands of Allied avians that served and died for France during World War I.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

Deceased nuns were placed on stone chairs to decompose, while the surviving nuns prayed near the lifeless bodies.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

The only museum with its curator—and her pets—buried inside.