A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

Paris' linguistic guide to the international language of, yes, love.

An incredible menagerie of more than 3 million taxidermied animals at the oldest science museum in Europe.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

A bus with a butt and biceps to put Olympic athletes to shame.

This hill is known for its connection to the occult in Slavic tradition.

The spectacular Roshen Fountain show lights up the night sky all summer long, until it "hibernates" under the ice waiting for spring to come.

The last planned Soviet city was built for the former residents of Pripyat after the Chernobyl disaster.

A quirky collection flush with information on commode culture from ancient times to modern day.

This Ukraine alleyway has become its own little island of forgotten things.

When you've got to go, you've got to go.

340-foot statue built to honour the Heroes of the Soviet Union.

For one day every month Barcelona's Estació de França transforms into a market for model trains.

Turntable anonymously received orphans, alms, and groceries.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Week-long block party becomes a competition for the best decorated street.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Numerous impressive carvings are embedded in the trees lining this street in Marrakech.

God's Saharan sandbox of wrath.

Some of the world's only freshwater seals live in one very special lake in Russia.

This probably wasn't what Mao had in mind.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.