Where the lovelorn find a home for their sentimental keepsakes.

A musical instrument played by the sea.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

The oldest botanical garden in the world that technically isn't the oldest.

Remnants of cone-shaped fascist bomb shelters in Milan.

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

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

A curious art park at the geographic center of Europe is home to 3,000 television sets and other wonders.

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

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

During World War II, this rice mill became a Nazi concentration camp.

How this choice of tombstone came to be is still a mystery.

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

This Latvian shot factory is still used twice a year to manufacture bullets the old-fashioned way.

Built to ward off Napoleon's army, this city-sized abandoned Russian fort is now perfect for urban exploration.

A memorial to the murdered Jews of Kaunas.

Wars fought and wars won are remembered by these abandoned bunker ruins.

Hundreds of small crosses have been carved into the bark of the trees outside this small Estonian village.

Spend the night in 1920s Latvia in this historic recreation and movie set.

What almost started out as a spite house became an eccentric's found object masterpiece.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

Lithuania's outdoor sculpture trail of wooden folk art.

A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.

One of the largest caves in the world open to the public.