Pilgrimage site for star-crossed lovers.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

Old Danish castle immortalized in Shakespeare's Hamlet.

A rare chance to ride one of the few continuous elevators still in operation.

An extraordinary collection of 18th century anatomical waxworks.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

An amazing collection of wax anatomical models and terratological models.

This massive subterranean fissure is known as the "underground Grand Canyon."

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

Architectural monsters are devouring this palace's every door and window.

One of the highest emergency huts in the world has been waiting almost a century to give imperiled climbers a place to lie down.

These spooky and unusual stone formations create an underworldly landscape.

Enormous, fluffy dogs frolic around this museum dedicated to a legendary Saint Bernard.

The bomb-ravaged remains of of a colossal Neptune.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

These gutted monastery ruins still stand proudly in the middle of the Italian countryside.

A spiral staircase twists to the top of this unusual Czech lookout tower.

These warring psychedelic crags commemorate an unsuccessful military operation.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

Artfully arranged bones of 5,800 Austrians.

The beautiful baroque library of the Hapsburg empire.

Rising from the sea like a stone monster.

Legend has this precariously placed rock was placed by giants. Science has another explanation.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.