A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

The beautiful baroque library of the Hapsburg empire.

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

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

The final resting place for the remains of 143 Habsburg royalty.

Tiny memorials honor individual victims of the Holocaust.

A restaurant and observation deck built in a unique broadcasting antenna.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

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

Once the last route taken by condemned prisoners.

This popular square's history as the former site of a church is right beneath your feet.

Semaphore saints, a golden dragon's head, and a stone carved with religious warnings all call this cathedral home.

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

An incredibly well-preserved piece of ninth-century Viking poop.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

Makers and sellers of the original and finest York Ghosts.

One of the shortest streets in York has an especially odd name.

This network of narrow, medieval passages has the most delightful name.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

An opulent monument built for a duke who donated his entire fortune to the city of Geneva.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

A Swiss amusement park entirely dedicated to the theory of ancient astronauts.

An unusual vending machine designed to support mourners during funeral ceremonies at Zurich's largest cemetery.