A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

340-foot statue built to honour the Heroes of the Soviet Union.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

The first green space constructed on an elevated viaduct.

Just outside of Nairobi lies a large estate surrounded by endangered Rothschild giraffes, who have been fed from the window by Mick Jagger and Walter Cronkite.

After sunset the heart of Zanzibar's historic Stone Town neighborhood transforms into a culinary playground.

This small group of sand dunes manages to pack in a strange rainbow of colors.

This picturesque island graveyard is the final resting place of dozens of notorious pirates.

This controversial museum includes such detested exhibits as a chocolate suicide bomber and fecal-smelling digestion machine.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

This piece of Australian modern art is part joke and part history.

This massive underground salt mine now holds a sci-fi theme park in its depths.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

Padlocks cover this rickety footbridge with love.

A countryside Romanian cemetery filled with colorful crosses bearing lyrical, ironic, or satirical rhymes.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

The largest wine cellar in the world is a 150-mile network of underground caves near the capital of Moldova.

This attraction was abandoned after the Chernobyl disaster.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

This derelict superstructure was a very important warning system for the Soviet military.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The vast, legendary catacombs hold secrets much stranger than stacked bones.