This massive mural by famed pop-artist Keith Haring was hidden for almost 30 years until its 2018 rediscovery.

Harry Potter’s Hogsmeade Station is also a charming blast from the past situated in North Yorkshire.

This underground transport hub doubles as an art gallery.

Take Soviet nostalgia to new heights by toasting the first man in space over a full spread of Belarusian and Soviet fare.

Thanks to its heroic service during WWII this Soviet castle has been turned into a monument towered over by a brutalist titan.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

Stockholm's famed ghost train is now on display at an art park in northern Sweden.

When the rain falls, this drain system turns into a musical instrument.

One of the most easily accessible examples of the rare 1960s UFO houses.

Artist James Turrell's ode to dawn and dusk on the campus of Rice University.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

At less than four inches in height, this iconic fictional character is the smallest public statue in all of Moldova.

Space-age monument to an early 20th-century uprising.

Folklore says this medieval fortress was plopped atop a portal to hell to trap the demons below.

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

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

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

A sculpture park of the tossed aside relics of the USSR, from Stalin to a massive Soviet emblem.

Colorful and chaotic stacked hotel in North Holland.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

The site of a tragic massacre that spawned a multimedia franchise.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."