Places G Pike Wants to Go

This castle played host to the largest great hall found in medieval Central Europe.

The only natural cave bath in all of Europe.

Hungarian self-built castle.

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

The remains of an entire Roman city can be explored in this interactive museum.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

The massive white mound and accompanying water terraces are a striking geological oddity.

The abandoned military base looks like a post-apocalyptic wasteland.

One of the largest barracks of the Austro-Hungarian monarchy's military is now an abandoned ruin.

This Hungarian stilt village is built in a lake that never freezes over due to the power plant that that uses it as a cooling pond.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

This hidden art nouveau gem was designed by an architect in search of a national style.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

A two-way chairlift system between Zugliget and the highest point in the city.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

A unique interactive experience of everyday life in communist Yugoslavia—a very different time in Croatian history.

This Croatian computer club features such gaming relics as the infamous Virtual Boy and an 8-bit Pacman machine.

This unique structure allowed boats to bypass underwater mine barriers in the channel to enter the harbor.

This abandoned Croatian stronghold never saw a great deal of conflict but it is still a beloved relic nonetheless.

A World War II evacuation tunnel turned into a history display of Croatian state and people.