These traffic lights celebrate the 100 year anniversary of the women's suffrage movement in Lithuania.

A memorial to the murdered Jews of Kaunas.

Lithuania's outdoor sculpture trail of wooden folk art.

Things aren't quite what they seem at this mind-bending museum.

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

The only statue of its kind to commemorate Washington's beginnings as an officer of the British Colonial Militia.

This nine-story building can be played like an instrument.

HFH's slum simulation is either a noble recreation of poverty or a cringeworthy attempt at same.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

A sculpture that resurrected the only tree standing following the devastating 2011 tsunami.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

A small but industrious mining operation that allows visitors to touch precious gems while they are still in the rock.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

This abandoned fighter jet launch center is now a haunting street racing course.

A museum within a museum, devoted to history's most questionable medical devices.

Downtown Minneapolis mixed art and function by turning some of their sewer covers into works of art.

A unique, free-floating electric ferry may be the only of its kind in Europe.

A two-inch thick solid brass rod that extends an astounding one kilometer straight into the earth.

A century-long search for a church that was never there.

A man-made slag heap that you can "ski" down, and is home to the world sandboarding championships.

This monument to those fallen in the World Wars is accompanied by a U-boat that Germany bought for a Deutsche Mark.

According to a satirical conspiracy theory that persists today, this German city of 300,000 is a hoax invented by the CIA.

Giant wind turbine with observation deck at the very top.

The narrowest street in the world is in danger of closing up entirely.