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

The oldest private art gallery in all of Hungary.

A museum in the childhood house of a medical pioneer.

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.

A tiny traditional village keeps an ancient method of beekeeping alive.

A curious art park at the geographic center of Europe is home to 3,000 television sets and other wonders.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

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

Baroque celebration of the end of the Great Plague of Vienna.

Berliners converted a bombed-out, disused lot into a community-run urban farm with its own cafe and bar.

An abandoned Jewish sanatorium is tucked within the woods of Poland.

Come to this Polish museum to take a good, clean look at filth.

The world’s narrowest house makes for an awkward, four-foot-wide living space.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

France's national museum of scientific and industrial instruments.