This military mausoleum captures the solemn grandeur that most memorials only aspire to.

A massive mausoleum towers over the gravestones in a 19th-century Italian "model village."

A visionary Italian architect created an impressive cluster of concrete structures for a family's private tomb.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

A scenic canyon with thick forests and historic ruins.

Right up until the 20th century this network of man-made caves was the biggest village in Eastern Armenia.

Local legend says that whoever burns down this 2,000-year-old tree will only have seven days to live.

This striking icon of the disputed Republic of Artsakh caused a stir at a Eurovision Song Contest.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

The stunning interior of this Gothic church is covered in ornate gold details.

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

Historic slum of Tartu.

The labyrinthine home of the National Archives of Estonia is an experimental blend of architecture, art, and history.

The large collection of pre-Columbian pottery might make you blush.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

The experimental test tracks of a retro-futuristic monorail still stand in the French countryside.

A bike train runs along a disused railway line through the tranquil French countryside.

This tiny museum's sizable collection is jammed into a former underground public toilet.

The largest whale museum in Europe allows visitors to walk among life-size giants.

This monument to one of the largest science fiction games of all time bears the names of hundreds of thousands of players.

This stunning concert hall has become a symbol of Iceland's national recovery.

Iceland's only steampunk shop imagines a retro-futuristic world that never was.

The largest brick bridge in the world.

It's just another skyscraper, but it's shaped like '90s cell phone.