Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Stockholm's deepest subway station is also a stunning ecological wonder.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

The former headquarters of history's oldest megacorporation.

This fort dates back to 1588 and was colonized by the Portuguese, Dutch, and English and sits prominently on the Indian Ocean where azure water lap the coast.

Beautiful and terrifying masks displayed in the island’s only mask library.

This enigmatic stone pool is all that remains of an ancient palace.

Once thought to be the Garden of Eden it holds a holy footprint claimed to belong to Adam, Buddha and Shiva.

Known as the most scenic route in Sri Lanka, this train line is steeped in history and offers an unparalleled view of the country.

This ancient cave temple complex is the largest and best-preserved temple complex in Sri Lanka.

An ancient stone fortress considered by many to be the eighth wonder of the world.

A sculpture of graceful storks sits atop this fountain in Independence Square.

Remnants of the city's Soviet history hover over this modern fast-food outlet.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

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

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

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

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

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

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

An alien church provides much needed silence in the midst of a Finland shopping center.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.