A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

You can cross from one country to another in a single hop on this little bridge.

The history of Mar Behnam Monastery is that of violence, intolerance, resiliency, and spirituality.

This remnant of an ancient Persian city is considered to be the world's largest single-span brick vault arch.

A bloody history is captured in this former prison turned museum.

9th century Abbasid mosque, damaged in modern warfare.

Definitely not a clown bar.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

The history and future of cannabis.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

After visiting hours, this picturesque waterfall is essentially turned "off" to be used for hydroelectric power.

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

This collection of historical artifacts and tropical wildlife waits just beneath the surface of the water.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

This glass skywalk offers vertiginous views down the volcanic cliffs to the beach below.

One of the world’s longest pedestrian suspension bridges.

This giant sculpture made of trash is a critique of society's wastefulness.

This now abandoned restaurant provides some of the most amazing views of Lisboa.