The greatest amusement park in the world is wall-to-wall farting dogs, puking rats, and cows with exposed breasts for the whole family.

Remnants of the Nazis' occupation of Denmark linger along the sand.

An old limestone mine transformed into a beautiful and unusual sculpture museum.

The decaying remains of a 1960s mechanical wonderland that never officially closed.

This striking royal residence is the largest Renaissance-style castle in Scandinavia.

This Danish castle is supposedly haunted by a woman too independent to not be a witch.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

This ultra-modern wooden boardwalk turns the ocean into a swimming pool.

This Denmark theme park is part family attraction, part experimental archaeology project.

The world's largest maze is a nature park with nearly 200 decision points.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Old Danish castle immortalized in Shakespeare's Hamlet.

Nearly 40 miles and 1,000 years of limestone mines under Denmark.

A perfectly circular stronghold constructed in the 10th century is now a nucleus of Viking culture housing a museum, village, and reenactment of an epic Viking battle.

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

Copenhagen's celebrated theme park and gardens.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

Visitors flock to the historic birthplace of radiobalneology for its therapeutic radium treatments.

This network of conjoined cellars was riddled with traps and supposedly allowed the townspeople to pretend their homes were deserted.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

A massive 1830s industrial site once known as Czechia's "Iron Heart" has been transformed into a playground of science, technology, and art.

The largest manmade caves in Europe now function as a motorbike club's headquarters.

The world's greatest slide descends 18 stories from this looping mountaintop viewing platform.