Dedicated to the man who saved hundreds of children from Nazi-occupied Czechoslovakia.

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

This charming wooden church was disassembled and moved not once but twice before settling in this Prague garden.

A half-buried vehicle in Prague's is the latest iteration in a long-running piece by Czech artist David Černý.

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

The ruins of a medieval monastery built on a perilous slope.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

This ornate church has survived Nazi and Soviet occupation, including a short stint as a Soviet-era gymnasium and cinema.

The most northerly active sand dunes in the world have some very rare botanical residents.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

Dubbed "Wistom" by locals, this abandoned factory is an urban explorer's dream.

In northeastern Poland, the ruins of a massive granary overlook the Narew River.

A 20th-century picture show in 3-D.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

Atop this library is one of the most beautiful green spaces in Warsaw.

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

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

The giant metal fruit was once the symbol of a large farm.

This abandoned beacon is moving closer and closer to the sea.

A rare octagonal brick beacon on an isolated island in the Baltic.

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

An underground nightclub helped spark a "Singing Revolution."

Take a seat and hear a song by the composer Frédéric Chopin.