Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

Maze-like streets filled with vibrant murals draw visitors to this Istrian town.

This underground tunnel system built during World War I offers a fascinating glimpse into Pula's military history.

An excavation site that signified Hercules in Pula, and a glimpse into the city's Roman history.

Now abandoned, the world's first torpedo factory is crumbling into the sea.

This toothy tower topper commemorates a valuable shark that washed ashore nearby.

These 1,500-year-old remains were found in a mysterious Anglo-Saxon mass grave.

This ancient bridge made of stone slabs is said to be reserved for the devil to sunbathe.

Standing atop Wellington Hill is the world's tallest three-sided obelisk.

It's believed emperor Hadrian himself funded this once architectural wonder.

Grotto replete with mystical designs laid out in glued shell mosaics.

Hear the quietest sound from across the dome.

This breathtakingly beautiful botanical garden is home to a mob of wonderful wallabies.

A relic of Poland's shipbuilding past, reborn as a sky-high lookout.

This 700-year-old structure is one of the most unique architectural and historic monuments in Gdańsk.

This curiously modern carving of St. Peter wears wellies.

This tiny church is one of England's smallest.

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

The European Union’s tallest freestanding structure provides radio and television broadcasting to half of Latvia.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

The colonial city's social history is reflected in its fanciful door knockers.

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.