This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

The "Seinfeld" diner.

Not actually a shop, but one fan's passionate show of support for a rival county's Gaelic football team.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A Christian retreat founded to welcome refugees fleeing from the Nazis during World War II.

Antique cinematography artifacts fill this museum dedicated to the inventors of the moving picture.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

Monsters and miniatures are held in equal esteem at this wondrous museum.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

If there is one thing you don't want to be in Sweden during Christmas, it's a Yule Goat.

Outside a Viking museum sits a modern-day runestone made by a Swedish runemaster using traditional methods.

It houses the remains of a 17th-century version of the Titanic.

This gem from the industrial age helps visitors and residents alike traverse hilly Stockholm.

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

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

Small Easter eggs are hidden in the ventilation holes of the city's newest trains.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

A temporary art piece to celebrate LGBTQ Pride is now a permanent part of Stockholm's traffic landscape.

What looks like a birch tree smushed between two pieces of glass often confounds commuters.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

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

Fantastic stainless steel dragon gates complete with mesh wings.