The yawning maw of this pagan visage is said to bite off the hands of liars.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

These old World War II fortifications have been transformed into an unusual equine attraction.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Croatia's towering concrete blossom grows from the site of a World War II concentration camp.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

A musical instrument played by the sea.

The cutest way to stay safe in traffic.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

The Siege of Naarden ended in 1814, but the cannonballs embedded in the town church remain.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

A tower marking the spot where Yugoslavia began its resistance against the invading Nazis stands neglected, but not quite forgotten.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

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

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

A beautiful maze marks where three countries meet.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

This abandoned hospital has a long history, having housed both German and Soviet soldiers in the course of its life.

These engineering masterpieces are a dominant feature of the Belfast skyline.