Stockholm's deepest subway station is also a stunning ecological wonder.

There's something in the air as history repeats itself at this museum dedicated to the Swedish pop band.

A Swedish phone box converted into an informal village library.

Sweden's oldest street has not changed for nearly a millennium.

This wonky bit of historical taxidermy is experiencing a second life online.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

A remarkable range of flora and fauna are represented in this Dominican nature preserve.

Recently restored menagerie of Victorian-era beasts.

It houses a menagerie of wondrous taxidermy specimens from around the world, including the remains of a famous gorilla.

An ancient tree that was once the favorite of a young Swedish royal.

This small museum nestled inside a souvenir shop is dedicated to Sweden's most well-known toy.

Stockholm's tiniest statue is of a small boy looking at the Moon.

Banksy's image of a naked man dangling from the window of a sex health clinic.

After protestors toppled a statue of a 17th-century slave trader, the pedestal where it once stood remains unoccupied.

A miniature replica of the canine that became the logo for a large recording company.

This Grade II Listed Building with an Art Nouveau façade once contained a unique print shop.

One of Bristol's best-hidden gems has ties to Lord Byron, whence it became the nation's first reformatory school for girls.

The unusual clock on this 18th-century market building has an extra minute hand for "Bristol time."

Unfortunately, you can no longer spend a night in this single-person treetop hotel.

A floating underwater hotel, created by a Swedish artist.

Stone carvings record the Norse myth of Sigurd, providing a glimpse into Scandinavia's transition from paganism to Christianity.

Historic medieval fortified city in southwest France.

A medieval church with largest and oldest collection of Renaissance frescoes in France.