This attraction was abandoned after the Chernobyl disaster.

This half-finished "city of toys" was almost Italy's own Las Vegas.

A 16th-century horror show built in a lovely Italian garden.

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

This 11th-century structure is one of the oldest churches in Romania.

One of the oldest churches in Romania is believed to have been built on the site of a pagan temple.

The romantic botanic tunnel feels like a well-kept secret.

A relic of World War I that now exist as a piece of public art.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

This building has survived for more than a century and remains virtually untouched.

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

Budapest's Communist-era statues, banished to the suburbs.

A marvel of technology a century ago, this disused power station now offers a lovely glimpse into the industrial design of the past.

Ruins of an old water tower that look like a horror-film castle.

An industrial site turned into Hungary's most cherished natural wonder.

A mud brick kasbah with a history of lavishness and traitorship.

The hallucinogenic center of the ancient world.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

A winding, blood-red tunnel of hardened lava navigable by foot.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

This former hydraulic laboratory is now a woodland dotted with old engineering models.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

This old school, eccentric, and independent video rental store refuses to die.