A Latvian rescuer who saved countless lives during World War II.

A map store filled with original Cold War era Russian maps of the world.

3,000 market stands in five former Zeppelin hangars.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

Flamboyant architecture from the turn of 20th century.

The reconstruction of this prominent building fulfilled a long-written command.

A black cat protests the City Guild in Riga's Old Town.

The oldest housing complex in Riga is a mini timeline of architectural trends.

Founded as a refugee camp, now a popular tourist spot.

Ancient paintings known as the "Sistine Chapel of Cave Art."

This impressive chasm is one of the longest natural underground cavities in the world.

Even though some of the buildings date back to the Victorian era, this research institute is still involved in cutting-edge astronomy research.

According to local legend, this church was built with two doors, so that residents of two rival villages had their own entrances.

The longest staircase lock in Britain.

Beneath this headstone lie the severed body parts of three individuals who were caught up in a bloody period of Scottish history.

An 18th-century religious argument etched into stone.

The raised stones in the middle of this road through Culross are relics of a 17th-century class divide.

This unusual 15th-century house of worship once catered to those who sought its healing properties.

A watchhouse constructed from tombstones, to make way for a burial pit, for the victims succumbing to a deadly disease.

2300-year-old Roman road connecting the empire.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Drink wine handed out through a window as part of an age-old tradition.