This building holds the embalmed remains of the leader of the Bolshevik Revolution.

Budapest's Communist-era statues, banished to the suburbs.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

The embalmed remains of the communist leader lie within a custom crystal coffin.

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.

The most famous location in China was home to whole dynasties worth of imperial rulers.

The final resting place of soldiers' loyal canine companions.

A six-ton wedding present for the King of the Scots.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

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

An alien church provides much needed silence in the midst of a Finland shopping center.

A subterranean house of worship carved right out of the bedrock.

Macabre astrological automaton clock dating to the late 1400s.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

A beautifully eclectic mix of architectural styles.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

A "miracle" that seems to produce more holy fistfights than holy revelations.

This outdoor library provides around-the-clock access to around 7,000 books.

The bank's whimsical shape was inspired by a child’s toy.

This Russian bar-restaurant lies within a three-story underground bathhouse.