Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

Like something out of a bad acid trip, this Ukraine hallway has been covered in hallucinatory phantasmagoria.

The medieval prince founded the first library in Ukraine at Saint Sophia's Cathedral where he was interred.

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.

Padlocks cover this rickety footbridge with love.

The spectacular Roshen Fountain show lights up the night sky all summer long, until it "hibernates" under the ice waiting for spring to come.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

The deepest metro station in the world.

An Art Nouveau building covered in animal gargoyles and grotesques.

When you've got to go, you've got to go.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

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

Ukraine's oldest operating pharmacy now offers guests a fascinating walk through apothecary history.

A castle perched precariously over the Crimean Sea.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

A lover's walk between hilltop towns, decorated with graffiti love notes.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

Bell tower juts out from a village buried under a lake.

Five candy-colored villages on the Italian Riviera.

Pilgrimage site for star-crossed lovers.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Bizarrely-painted church designed by a controversial artist.

A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.