Fantastic stainless steel dragon gates complete with mesh wings.

This supermarket offers shoppers a window into the past alongside their groceries.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

The Florence Nightingale Museum is home to the famous nurse's most treasured possession: her beloved pet owl.

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

A musical composition 1000 years in length plays at the Trinity Buoy Wharf in London.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

London's old-school healing garden.

This South London cemetery holds the remains of more than 15,000 people.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

One of the largest collections of socialist realist art shows the surprising depth of the official art of the Soviet Union.

Former estate of Lenin, now home to his death mask.

Home of the future Emperors of Russia.

Some Moscow residents once claimed the bizarre, contorted mass of metal on top of the building was used to manipulate minds.

The world's first museum dedicated to the work of game-changing naturalist Charles Darwin.

The past, present, and future of Russia's signature alcohol is remembered in the world's only museum dedicated to the starchy spirit.

This legendary dessert was served to Nobel laureates for decades.

The 19th-century home of Count and Countess von Hallwyl is now a museum.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

This nondescript building hides an entrance to an underground nuclear tunnel system.