This hidden collection of everyday objects illustrates life within communist Poland.

The silly symbol for an underground protest group is now scattered around the city.

These massive moving sand dunes have swallowed an entire village and are still on the run.

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

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

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

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

Real bones which are said to have belonged to a Polish dragon.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

Just outside the Naval Academy, Hell Point is a historical marker that could easily be the point where failed students wait for the bus.

Washed out by the Johnstown Flood in 1889, the surviving portion of the original two-span bridge now resides at Fishing Creek.

Explore the legends surrounding these mythical sea creatures inside this museum.

An isolated island home to one of the oldest English-speaking communities in the region and Maryland's state dessert.

Fascinating museum dedicated to the under-appreciated medical history of urology features some wince-inducing devices.

Brain collection and database that narrows the gap between man and animal.

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

Bizarre Cavern.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.