This chimerical bridge/tunnel appears to dead end right into the sea.

Swedish skyscraper with a 90° twist.

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

Macabre astrological automaton clock dating to the late 1400s.

A mocking tribute to the past and modern leadership of Prague.

This demon atop the Notre-Dame de Paris looks utterly bored.

An architectural oddity hides in plain sight on this iconic London bridge.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

This stunning concert hall has become a symbol of Iceland's national recovery.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

Giant nude woman of Tijuana is also the artist's home.

An important Mayan religious and trading center dating back to 200 BC.

His music once banned in Communist Cuba, John Lennon is now immortalized in bronze by Castro, who considers Lennon a "fellow dreamer."

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

After the Cuban Revolution, the famous rum company had to leave their swanky headquarters behind.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

Single runway interrupted by a busy road that cuts across its middle.

These numerous Israeli caves were dug out over hundreds years for reasons ranging from hideouts to burial sites.

A "miracle" that seems to produce more holy fistfights than holy revelations.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

Former headquarters of the KGB.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

At this rare mosque in Tbilisi, Sunni and Shia Muslims pray side by side.

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.