This beautiful 150-year-old synagogue survived Italy's fascist period and the Second World War.

One of the earliest depictions of an Arthurian scene that is shrouded in mystery.

A large statue of Pope Gregory XIII in Bologna was disguised as Saint Petronius to avoid destruction.

Stuck in the arcade of Casa Isolani are three arrows of mysterious origins.

This building features dozens of faces along its facade, although one is a bit chilling.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

Astonishing rock formations dot the Brimham Moor landscape.

A museum dedicated to the tragedy of Bloody Sunday.

These murals stand as reminders to the troubled history of this Northern Ireland city.

The house where the writer spent his formative years.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

A bronze statue of Momo, a girl holding a huge ear, sits waiting to listen to anyone who needs it.

This futuristic German television spire is actually the world's largest digital clock.

Twisted buildings adorn the banks of the Rhine river.

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

After this historic church was destroyed by World War II bombing, its blackened shell was left standing as a monument.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

This striking art museum holds an amazing series of curiosity cabinets.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.