The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

20-foot tall lamp mumbles Swedish to celebrate the holidays.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

This Swedish astronomical clock was in storage for almost a century before its glorious workings were put on display once more.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

Nordic giants resurrected from the sea and restored to their former greatness.

Old Danish castle immortalized in Shakespeare's Hamlet.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

Known as the wettest place on earth.

This otherworldly palace-mausoleum complex is the stuff eternal dreams are made of.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

A historical convent known for taking in bad luck babies left on its doorstep is now an upscale shopping center.

A Nesting Doll of Churches.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

The largest tea plantation in Southeast Asia supplies gorgeous vistas alongside tea for the surrounding countries.

This dangerous-looking suspension bridge may have been too unstable to remain open.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

This 11th-century temple gave rise to the word "juggernaut," as well as some mysteries that defy scientific explanation.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

The potters' quarter is packed with artists sculpting clay gods with mud from the sacred Ganges river.