An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

A measuring mishap led to these artificial stone ladies losing their stomachs.

Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.

This centuries-old pub boasts a collection of more than 4,500 snippets of neckties from around the world.

To the great disappointment of doomsdayers, this codex merely contains records of the Moon and Venus.

Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

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

One of the world's heaviest musical instruments towers within a popular urban park.

Metro station with a claim to rock n' roll fame.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

The "Prussian Versailles" that is as glorious today as when it was built.

A monument to the man who almost killed Hitler.

One of downtown Berlin's last reminders of its Communist past.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A plaque marks the humble origins of an artistic muse who embodied the ideals of Pre-Raphaelite beauty.

Used as an example in one of the first dictionary entries for "museum" in 1706.

The most visited, and possibly most controversial, museum in Germany.

Reminders of the Battle of Berlin still scar the railway.

Tiny memorials honor individual victims of the Holocaust.