The reason for the strange contortions in the trunks of these "drunken" pine trees in Russia is still a mystery.

An art museum inside an active factory.

A small and surprising passageway in Saint Petersburg devoted to the Beatles.

A surreal pile of colorful junk fills a small yard in an otherwise gray neighborhood.

This remote sandstone cliff has one of the richest collections of Livonian petroglyph marks.

The only things left in this abandoned Latvian graveyard are a mysterious stone and a ghost story.

A vast and unlikely aviation museum kept alive for over 50 years due to one man's tenacity.

Guests become prisoners on a visit to Latvian prison.

Mysterious heaps of stones dot these otherworldly woods.

These abandoned vessels are destined to be reclaimed by the forest.

An abandoned masterpiece of Soviet Brutalist architecture.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

This 700-year-old structure is one of the most unique architectural and historic monuments in Gdańsk.

The site of the first battle of World War II.

Rusted cars, trucks, and buses form a fascinating collection of Soviet-era machinery.

When the rain falls, this drain system turns into a musical instrument.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

A neo-Gothic mansion now houses a wunderkammer of analog tech that hits on all the senses.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

A silly medieval mural preserved on the side of a Viennese house.

An exquisite Baroque church in Vienna's old town.

Op-art architecture designed for happiness.

The beautiful baroque library of the Hapsburg empire.