“Historical” markers commemorating the sites of fictional events depicted in a popular jidaigeki novel series.

This desolate boat was once a key form of public transportation for Portslade residents.

The Rio Lerma (Chignahuapan) in El Salto, Mexico, is one of the most polluted rivers in the world. It’s covered in white foam, and falling in can kill.

One of New Zealand’s few castles boasts beautiful gardens, grand architecture, and a history filled with family drama.

New Zealand's epic shrine to all things puzzling.

American bombs, morbid memorabilia, and graphic photographs tell the story of the CIA-led “Secret War” from the Pathet Lao perspective.

When the USA donated cement and funds to expand the airport in Laos, the Laotians built a massive monument instead.

More than 200 statues filled with cryptic symbols give this park spot an aura of horror vacui fantasy.

You can climb to the top of the world's largest rocking horse.

A wealth of plants and horticultural curiosities fill this charmingly antique museum.

A simple tribute to the migrant workers who landed here before walking hundreds of miles to Victoria's gold mines.

In the world's most bombed country relative to its size, this incredible organization helps pick up the pieces.

Popular river that runs through the remote Serbian municipality of Leskovac.

Curious carved stones and bird-like wings are a symbol of Serbian resilience and freedom on the site of a WWII massacre.

A Serbian church lit by chandeliers made of weapons.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

Some of the best-preserved specimens of the monumental medieval tombstones found throughout Bosnia and Herzegovina.

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

This once-grandiose behemoth of a monument from the socialist era now sits quiet and closed up.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

The library's graceful rotunda is like a bibliophile's temple.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Hans Christian Andersen for the postmodern world.