The door to the museum holds a unique artifact from the Finnish Civil War.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

This church also serves as a lighthouse complete with a beacon.

This 11th-century castle sits so low you can't see it behind the surrounding buildings.

A manifestation of modernist architectural ideas, this massive, multi-purpose building was one of the first of its kind in Southeast Asia.

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

An abstract representation of weather in Sweden.

A miniature model of the iconic Stockholm department store.

One of the world's first dedicated bank buildings in the world is now the oldest one.

A wooden street sign is the last remnant of this 400-year-old alleyway.

This giant crucifix is like U2's Joshua Tree for Swedish death metal fans.

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

This 16th-century cemetery became a recreational park during the Soviet occupation—today it's a little bit of both.

This set of concrete chambers resonates according to different notes of octaves.

This small Estonian hill is covered in hand-made twig crosses that are said to bring good luck.

A small island dotted with old, historic Finnish buildings.

An abstract monument to a symphonic composer.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

This millstone commemorates a gruesome tale that may have been the source of the city's name.

Rainbow shutters decorate this former police station.

This fountain was once heralded as the largest in the world.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

Frequent fliers welcome in this airplane hotel.

This giant subway sculpture celebrates the fruit that inspired the theory of gravity.