This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

The oldest private art gallery in all of Hungary.

Time stands still at this serene burial ground in the center of Budapest.

A forgotten graveyard lost in the tangles of an overgrown garden.

A museum in the childhood house of a medical pioneer.

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

An architectural marvel that spans the Arda River, and has stories of a haunted past.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

This massive subterranean fissure is known as the "underground Grand Canyon."

The solemn exterior conceals an opulent interior of this 17th century church.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

The romantic garden was the epicenter of the Hungarian art scene in the 1880s.

Budapest's Communist-era statues, banished to the suburbs.

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

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

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

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

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

Inside the corridors of this flea market, visitors are sure to find some obscure and odd treasures.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

A rooftop restaurant hides in plain sight atop Vienna's Palace of Justice.

A statue honors the children who fought Nazis in Poland.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

Home inspired by the crystal rock formation of the Emerald Estates.