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

Surreal works of unreal stone and metal dot the landscape of this Latvian art park.

Launch site for nuclear war against Western Europe.

Sculpture garden of religious statues made it through Soviet rule.

A narrow strip of land is home to the tallest migrating dunes in Europe.

Lithuania's outdoor sculpture trail of wooden folk art.

Open-air museum with a large collection of Soviet-era statues.

The pyramid and dome deep inside the Dzūkija forest are believed to channel divine energy.

This striking structure is the Socialist-modernist centerpiece of a former Soviet spa resort.

A small monument in Lithuania marks the geographic center of Europe—or at least one of the claimants.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

This micro-nation may be some sort of prank, but its constitution sure seems official.

One of the best-preserved wooden manor houses in Latvia, decorated with painted interior walls.

A top secret Cold War bunker hidden beneath a Latvian spa facility is now open for tours.

The largest airborne operation in history was launched to capture this bridge.

A farm turned upside down.

Located inside Hoge Veluwe National Park, this museum began as the private collection of a prominent female art collector.

A bridge that has seen many reiterations over its lifetime.

An icon of International Style architecture on the outskirts of Rotterdam.

These lights mark the area of Rotterdam that was bombed and burned in 1940.

A condensed piece of China floating in a Dutch harbor.

This giant radio telescope would be a rusting ruin if it hadn't become such a beloved relic.

Wind power station for making famous Ketel One vodka.

Nestled in the woods lies this land art project: a hybrid between park, maze and natural monument.