Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

This Communist-era residential block is one of the longest residential building in Europe.

A striking public sculpture representing the period of martial law in Communist Poland.

The silly symbol for an underground protest group is now scattered around the city.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

An underground city of salt.

Singapore's oldest Hindu temple.

The highest pedestrian bridge in Singapore looks like a series of undulating waves rising between two public parks.

Singapore's landscaping project is home to 18 incredible Supertrees.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

Giant pagoda houses the car that drove Thích Quảng Đức to his death by self-immolation.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

This French colonial post office is arguably the grandest in all of Southeast Asia.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

A memorial to the monk who set himself on fire to protest the persecution of Buddhists in Vietnam.

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.