Hear the quietest sound from across the dome.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

Eighty million natural history specimens call this gargantuan museum home.

An unusual round church in London with a Templar past.

Banksy gives themself artistic license with this piece of London street art.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

A kaleidoscopic warehouse-maze of handmade neon signs.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Once a year, local students "clean" this statue with a champagne shower.

An underground nightclub helped spark a "Singing Revolution."

A statue of the Soviet leader still stands in a quiet corner of Estonia’s most Russian city.

An abandoned textile factory on the "island of crows" was home to Estonia's first workers' strike.

The enormous isokinetic structure hangs within a science center in Estonia.

This Estonian watchtower looks like a big tree with two giant bird nests on it, complete with a "golden egg."

This behemoth bovine guards an Estonian town and is a memorial to the lost species.

Troublesome students were detained in this tiny graffiti-covered university jail.

For the last century, this international border within a small town has appeared and disappeared various times.

This striking memorial is one of Estonia’s most controversial Soviet leftovers.

The oldest continuously operating pharmacy in Europe.

Relics from an era long gone, sit idle outside this Estonian museum.

Wars fought and wars won are remembered by these abandoned bunker ruins.

A former imperial sea-fortress and Soviet prison.

Only a fragment of this 15th-century Dance of Death survives today.