The world’s first interactive human body museum also serves as a chair for a giant orange man.

This massive steel pyramid can be entered by a set of jagged steps that let visitors stand in its heart.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

A distinctive former power plant turned university lecture hall looks like it could make you breakfast.

The tallest mountain in mainland Netherlands isn't actually very tall.

These giant yellow bowling pins seem to be defying gravity.

This disused VLF radio station is no longer in service but the surrounding town still bears its name.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

The 20-mile causeway that separates the Netherlands from the sea.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

This large sand dune in the Netherlands is home to wind-whipped trees with "floating" roots.

The world's largest bicycle shelter can hold more than 12,500 two-wheelers.

The unusual sculptures are believed to be powerful political symbols.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

The first skyscraper to include a Ferris wheel built into the facade.

Fast food feels like fine dining at this award-winning modern Georgian building.

Tower with a double-helix spiral, adorned with letters of the Georgian alphabet.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

A cylinder monument with a spectacular vista commemorates a friendship that some say never existed.

This architecturally eclectic fortress witnessed centuries of bloody turmoil, including the massacre of its ruling clan.

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

With over 10,000 lights, this engineering marvel lights up the city after dark.