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

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

A special area of the National Archaeological Museum of Naples is located inside a metro station.

This ice cream parlor serves scoops of flavors like rakia, medlar, and poppy seed.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

This architecturally eclectic early-20th century mosque was built as a place of worship for the Islamic followers of a Jewish messiah.

An abandoned Byzantine fortress and notorious prison.

Thousands of rusting train cars have been slowly falling apart on the edge of Greece's second largest city.

An artistic melting pot inside an old roadside inn from the Ottoman era.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

Housed in an old church, this hunting museum holds a collection of mythical bird-rabbit creatures.

One of the most easily accessible examples of the rare 1960s UFO houses.

The patron saint of spinsters grasps a container of dried blood.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Architectureal fantasy quarter of Rome.

A 100-plus-year-old mill transformed into a hotel and restaurant.

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

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

Villas that once served as playgrounds for the rich now fall away in decay.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

This abandoned secret city is a crumbling wonderland of Soviet ruins.

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

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