This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

A highly-criticized monument in Budapest has become the site of a makeshift Holocaust memorial.

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

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

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A museum in the childhood house of a medical pioneer.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

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 Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

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

This knockout museum lies in a sleepy corner of London.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

The anatomical-pathological collection of a man who changed surgery.

The Florence Nightingale Museum is home to the famous nurse's most treasured possession: her beloved pet owl.

Its collection includes a broad array of social, geographic, graphic design, and political history.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Giant, friendly pelicans in Central London, the most unlikely of places.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

A 200-year-old collection of oddities and medical paraphernalia.

The sole surviving large cairn in an area that was once littered with burial monuments.