A hidden art gallery in an abandoned Warsaw fort.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.

A Gothic cathedral created from volcanic rocks.

A plaque on this tiny Swedish island commemorates an unusual Cold War standoff of Soviet submarine intrigue.

According to legend, this boat-shaped henge is built over the grave of a mythic king.

Nordic giants resurrected from the sea and restored to their former greatness.

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

Swedish skyscraper with a 90° twist.

The oldest amusement park in the world has been providing a nice spot to have some fun since the 1500s.

Only electricity pylons carrying both AC and DC circuits.

Take a schvitz just like an infamous Soviet dictator while his unblinking eye looks on.

A stunning two-story timepiece within a medieval Brick Gothic church.

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

A tilted half-timbered house from 1672 is built into a salvaged segment of a medieval wall.

Only 380 kV Powerline in Europe not directly interconnected to the European 380 kV Grid.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

The world's tallest bridge is also possibly the most elegant.

This ancient Spanish castle sits high upon a hilltop.

A cluster of granite granaries perched on stilts.

Ancient catacombs form the foundation for this Rococo orgy of a church.

The stunning interior of this Gothic church is covered in ornate gold details.

Elaborate tile work in this railway station tells the story of Portugal.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.