A 14th-century European chapel sticks out of the facade of a Japanese hotel.

This gallery commissioned by Cardinal Spada is known for its magnificent optical illusion.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Turtles swim in a pond surrounding a classical temple in this lush park in Vicenza.

This poignant tribute to the White Rose movement showcases artifacts related to the heroic anti-Nazi struggle.

This massive statue is the personification of Bavaria and the first colossal statue of the modern period composed of bronze.

A subterranean display of public art and architecture.

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

The solemn exterior conceals an opulent interior of this 17th century church.

A mysterious shape catches the eye in this 16th-century painting.

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

One of the most easily accessible examples of the rare 1960s UFO houses.

A remarkable medieval structure born from a 14th-century disaster.

The scars of World War II are preserved on its walls.

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

Students can borrow artwork from this gallery to display in their own residences.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

A complicated contraption for telling time by the moon.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

A historic Montreal market that was the city's agricultural hub for over century.

A bronze of the man in all his sinewy glory celebrates his longtime connection to the Ohio city.