The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The modern birthplace of Irish freedom.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A little sculpture with a large wardrobe.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

For over two centuries, this palace served as a residence for the Holy Roman Inquisition's leaders, a courthouse, and a prison.

This unique building in the main square stands out among the city's typically Baroque architecture.

This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

Fortified medieval tower house with lovely roof garden.

Come for the springs; stay for the mud bath.

The larger of two volcanic peaks rising out of the crystalline waters of the Caribbean.

This large stone off the coast of Martinique had a brief career in the Royal Navy.

Latvia’s first skyscraper, nicknamed ‘Stalin’s birthday cake.’

3,000 market stands in five former Zeppelin hangars.

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.

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

A statue built to honor the elite soldiers who fought for Latvia during World War I.

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

Mysterious craters may have been home to an ancient cult.

Visitors can sit and study the board with this Estonian chess legend and International Grandmaster.

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