This little replica of Lady Liberty provides a bit of NYC in a Japanese city.

A 20-meter (65-foot) robot towers over Tokyo Bay.

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

This curious, round temple is the oldest still-standing marble building in Rome.

This ancient market is often referred to as the oldest shopping mall in the world.

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

This is the real-life “Phantom of the Opera” box from Gaston Leroux's 1910 novel.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

France's national museum of scientific and industrial instruments.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

This massive library holds what was once the largest book collection in the world.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Eat the ultimate iteration of Portugal's most beloved pastry.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A striking symbol of the Bulgarian capital.

Seven dragon statues—including one that breathes real fire—are scattered throughout the streets of Krakow.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Inside this Krakow church, an explosion of psychedelic color.

The world’s largest LED display, built over an F1 race circuit.

Whitewashed mosque contains the world's largest carpet.

One of the world’s largest suspended aquariums, located in Dubai Mall.