A once crucial portion of the Long Island railroad still lays abandoned, waiting to be turned into an urban park.

The overgrown remains of an old rail bridge rise above the valley like ancient Greek ruins.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

At high tide this strange footbridge appears to have no purpose whatsoever.

This Scottish bridge seems to compel dogs to leap to their death.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

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

A regular looking rock with an unbelievable history.

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

Unconventional site where the tracks of Zurich tramcars intersect.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

This long line of cement defensive wedges is named after the famous chocolate bar for obvious reasons.

This secret Swiss fortress is disguised as a harmless pink house, complete with fake windows.

Where Mary Shelley’s "Frankenstein" and John William Polidori's "The Vampyre" were born.

A tiny rural community in Switzerland was home to one of history's most shocking murders, and led to the banning of Absinthe for nearly a century.

At 929 pounds and 26 feet tall, this stainless steel fork can only be used by the likes of King Kong.

A Swiss board game museum housed inside a picture-perfect castle.

The stone marker that Mason and Dixon placed at the eastern end of the famous north-south border they surveyed.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

There is only one place in the world where the corners of four nations come together.

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