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

An extravagant monument to an extravagantly unpopular Emperor.

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

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

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

A remnant of Korea's colonial past lies forgotten in a hip neighborhood in Seoul.

Museum dedicated to the terror regimes of Hungary.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

A giant interactive periodic table with real samples of the elements.

This spooky statue sits outside a famous Prague theater.

A controversial artwork draws attention to the dark history of Prague's "Suicide Bridge."

Looming communist pillar with a Czech twist.

An Orwellian sculpture with eyeball cameras watches passersby.

A mocking tribute to the past and modern leadership of Prague.

This doorless 20th-century elevator doesn't stop or slow down.

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

Countless grotesque faces stare out from this eerie Prague art wall.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

Most famous work of one of Frank Lloyd Wright's sons.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.