The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Breathtaking and huge 430 year old maps of Italy.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

The most visited, and possibly most controversial, museum in Germany.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

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

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

This simple apartment may have inspired some of the most important theories in the history of science.

This Spokane mansion and the stories within its walls have been brought back to life, thanks to careful restoration.

Home to the deepest rift anywhere on Earth.

Once a bustling cotton factory, this early 20th-century building is now home to a thriving artspace.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

After the musical legend's death, his memorial was mysteriously graffitied in gold.

This kaleidoscopic mural shows Bob Dylan throughout his transition from young troubadour to Nobel laureate.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.