Millions of numbers carved in glass represent the tattoos forced upon victims.

These whimsical works of art tell the story of the city's past and present.

Baroque celebration of the end of the Great Plague of Vienna.

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

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

The topiary maze at the Habsburg hunting lodge.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

The patron saint of spinsters grasps a container of dried blood.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

This unique museum cafeteria showcases the history and regional diversity of African American cuisine.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.

Home to a vast and influential collection of Shakespeareana.

Washington's iconic carousel has a nice piece of Civil Rights history.

A much-maligned monument to teetotalism.

Go take a picture with the inventor of the daguerreotype photographic process.

This sandwich shop has a century-old elevator behind a sheet of plexiglass.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

A nostalgic bibliographic gem.

This historic national park is covered in the stunning ruins of red rock pueblos.

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.