If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

Perfume museum and library.

The celebrated eyesore created by starry-eyed sweethearts.

This plaza is home to a number of works, including Montpellier‘s own Arc de Triomphe.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

This quirky collection of furniture also happens to be a public art installation.

Once a black market electronics marketplace, now an otaku shopper's paradise.

This 700-year-old street food market features baby octopus and soy donuts.

The iconic castle that withstood a magnitude 6.2 earthquake has become a symbol of resilience.

This Kyoto Starbucks takes coffee drinkers back in time.

The 10,000 Torii shrine.

After being bombed and largely abandoned, this former railway workshop has been transformed into a lively market space.

30 years worth of pressed-tin, bakalite, and characters both loved and forgotten.

A historical convent known for taking in bad luck babies left on its doorstep is now an upscale shopping center.

Memorial to the father of the Republic of China.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

A historic, century-old house plopped along the perimeter of Houston's ballpark.

Kentucky's longest operating jail is now a spooky spot to spend the night.

These boots are made for selfies.

This downtown Dallas art installation is always on the lookout.

Scattered around Atlanta are little doors with big charm.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.