This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

Lithuania's outdoor sculpture trail of wooden folk art.

Launch site for nuclear war against Western Europe.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

3,000 market stands in five former Zeppelin hangars.

It houses the remains of a 17th-century version of the Titanic.

"There's nothing there," and other lies the KGB told us.

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

Mysterious craters may have been home to an ancient cult.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

Museum celebrating the achievements of the Soviet space program.

Moscow's imposing monument to the Space Age.

This Russian religious complex is a Frankenstein's chapel that includes influence from almost all the major faiths.

Russia's own leaning tower was built on a tragic historical fable.

Former prison camp dedicated to the victims of political repression.

Church built on the site where the last tsar of Russia and his family were killed.

Monastery complex at the location where bodies of the executed Romanov royal family were discovered.

A tiny park off the beaten path covered in ingenious scrap metal sculptures.

This massive glowering Lenin head gazes out over eastern Siberia.

A huge communist-era propaganda monument and mural that offers stunning views of the Mongolian capital.

Enormous statue of the Emperor of the Mongols.

An out-of-place slice of France, smack in the middle of Shanghai.

This psychedelic tourist trap is a leisurely descent into madness.

This probably wasn't what Mao had in mind.