A luxury hotel housed in a former 15th century Gothic church.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

Tiny memorials honor individual victims of the Holocaust.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

A monument to the man who almost killed Hitler.

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

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

A socialist building dedicated to teachers showcases one of the largest Soviet mosaics in the world.

A prime example of socialist modernist architecture, wrapped in a enormous fresco about the media.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

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

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

With some 500,000 books across five buildings, this bookstore is a reader's paradise.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

The massive machine creates cracking displays of indoor lightning.

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

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

A 132-year-old telescope continues to keep watch over the night skies above Providence.

A virtually untouched "home on the hill" for the flora and fauna of Rhode Island.

Scary metal statues adorn some of the signature buildings of Burlington, Vermont.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

A serene plaza that commemorates one of the Granite State's most iconic figures.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.