Mysterious painted skulls in Moravia.

A perfectly preserved hill village where the buildings are painted like white lace.

Unique house covered in a nightmarish mural of demons, ghosts and monsters.

Polish luminaries and masterful folk art find sanctuary in this unique cemetery.

A small part of Russia that does not touch any other part of Russia.

Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

Crosses of all shapes, sizes and colors litter the mountain, the site of a huge yearly Orthodox pilgrimage.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

A mysterious structure left behind on the Polish mountainside, sometimes called "Hitler's Stonehenge".

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

Museum dedicated to "the man who moved the Earth."

The wreckage of a deadly bomber plane crash can still be found near an Arizona peak.

Once a year, at exactly 11:11 a.m., this monument comes to life.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This historic mansion was built as a symbol of love between a husband and wife.

A "hospital" where people went to be quarantined, die, and be buried in the yard.

One man's lifelong collection of 10,000 rare steins tells the story of beer drinking from 1350 to today.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.

This cemetery is all that remains of a school for "wayward" girls.

A small abandoned and abused cemetery that has become a magnet for ghost hunters.

The legacy of an unsolved, gruesome murder rests beneath the spans of this historic bridge.