Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Model Trains and Much More in Hamburg.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

The final resting place of the great navigator, or maybe his brother.

A 16th-century Andalusian palace.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

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

At this rare mosque in Tbilisi, Sunni and Shia Muslims pray side by side.

Monks in the empyreal Alazani River valley have preserved their 1,000-year-old winemaking tradition.

Rock-hewn monastery complex with hundreds of cave structures tucked away into the mountainside.

In the foothills of the lesser Caucasus, a centuries-old fortress still stands.

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

A unique museum dedicated to culture and artistry of carpet weaving.

An otherwise ordinary park with a dark past.

The headquarters of Pakistan's first press club remains a haven for debate and discussion.

This commanding mausoleum holds the remains of Muhammad Ali Jinnah, the founder of Pakistan.

Space-age minarets towering over Islamabad.

Tibetan-influenced mountain fortress in Northern Pakistan.

Known as the most dangerous bridge in the world, the Hussaini Hanging Bridge is only one of many precarious rope bridges in Northern Pakistan.

These stairs were built to accommodate royals mounted on elephants.

This dazzlingly turquoise mountain lake was created in the wake of a natural disaster.

An eclectic mix of influences rot together in harmony in this India necropolis.

A bulky, ancient stupa marks the site of Siddhartha Gautama's seminal Buddhist teaching.