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

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

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.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

Copenhagen's celebrated theme park and gardens.

The Guardian of Tallinn.

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

A bright little alley in La Boca is a part of tango history.

A celebration of Colombia’s premier contemporary artist.

Towering high above the neighborhood of La Candelaria, the church is easily recognizable by its distinctive red-and-white striped facade.

The colonial city's social history is reflected in its fanciful door knockers.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

A record-breaking pool that uses computers to turn ocean water into cleaner, private swimming water.

Historic funicular railway, believed to be the shortest railroad in the world.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

Rainbow-hued local gem in Venice.

The legendary building that needed ghostly approval before being built.