An unusual round church in London with a Templar past.

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

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

Hidden beneath the streets of London is a secret subway that only carried mail.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

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

The Brutalist building harbors an unusual inverted dome that swoops down over its central sacred room.

This floating sculpture of ice is a poignant reminder of nature's power.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

An artist's mausoleum with a haunting echo.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

A thin pane of glass keeps visitors from sliding off this futuristic skywalk.

A Viking-style brewpub named for a Norse sea giant, in the heart of fjord country.

Walk behind a 50-meter-high waterfall.

Stay overnight in the world's most sleekly designed rabbit hole, free of charge.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

Norway's oldest cathedral still in use.