World's largest bell sits on the grounds of the Kremlin in Moscow.

Former headquarters of the KGB.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

This hidden collection of everyday objects illustrates life within communist Poland.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

The ancient tomb acts as a calendar that keeps perfect time.

An abstract monument to a symphonic composer.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

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

Copenhagen's celebrated theme park and gardens.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Fortified medieval tower house with lovely roof garden.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Two stone columns flank the grand Venice square, but there were supposed to be three.

The only museum with its curator—and her pets—buried inside.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

Regency-era excess on the English Coast.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

A beautifully eclectic mix of architectural styles.

Museum preserving torture methods from the past.

Sacred Buddhist home of some spiritual monkeys.

Ming Dynasty necropolis raided during the Cultural Revolution.

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