Central Europe's largest collection of mini-bottles is on display at this museum devoted to a bitter Hungarian liquor.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

Once the home of a hermetic monk, this cave now houses a small church.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

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

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

Iceland's tribute to its thankless civil servants.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

This elegant arc of a waterfall marks a religious turning point.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

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

Showcasing some of the best-preserved temples of the Champa Kingdom.

This candy-pink cathedral of Da Nang is also known as the Chicken Church.

A memorial dedicated to the victims of the My Lai Massacre.

Out of all the statues of Ho Chi Minh in Vietnam, this one is the tallest and the most impressive.

This steamed rice crepe specialist has been rolling up its namesake dish for over 30 years.

Founded by French colonists in 1919, this mountain resort has been transformed into one-of-a-kind theme park.

Perhaps the only one of its kind, the nearly-forgotten site once held mortal (and rigged) gladiatorial games between tigers and imperial war elephants.

A gift from the Soviet Union in the 1980s, this is the only statue of the Soviet dictator in Southeast Asia.

Under Hanoi’s medieval citadel sits a secret military headquarters from the final years of the Vietnam War.