These docile dragons are ideal inhabitants for the conservatory greenhouses.

Eighty million natural history specimens call this gargantuan museum home.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This huge metal monument is slowly being stripped to its concrete skeleton.

Yugoslavia's biggest underground airport lies in ruins.

A beautiful 19th-century mansion slowly crumbled and became a 'ghost house' after World War II.

The now-overgrown beach resort was once frequented by Yugoslav military elite.

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

A musical instrument played by the sea.

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

These pools have been abandoned for over 20 years.

A once-luxurious, now abandoned hotel in the Italian Alps.

A formerly opulent Italian village is now a crumbling ghost town that no one really knows what to do with.

This massive subterranean fissure is known as the "underground Grand Canyon."

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

A pair of connected skyscrapers form this symbolic gateway.

This World War I fortress is the perfect place to catch a Montenegrin sunset.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

Exquisite examples prehistoric bas-relief carvings.

Locals say the stone that marks the spot where the gallows once stood can lead you astray.

Heralded as one of the prettiest castles in all of Czechia.

Be(w)ar(e) the moat around this historic Czech castle.

Steadily reminding Czechia of its past.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.