A fairytale island floats in the middle of Italy's little-known Lake Orta.

A meandering boardwalk across the bogland leads to a "stairway to heaven" with sublime views.

Crossing this suspension bridge feels like walking through the sky, a fitting tribute to the head of the Apollo program.

This abandoned lighthouse looks like a rusting oil rig, but has managed to survive a number of storms.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

The ancient tomb acts as a calendar that keeps perfect time.

The world's largest indoor go-kart racetrack is hiding in Connecticut.

A unique, free-floating electric ferry may be the only of its kind in Europe.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

Blitzkrieg bop your way through Berlin's Ramones Museum.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A fascinating insight into daily life in the Eastern Bloc.

The world's oldest known salt mine.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

An ancient monastery, a locked room, and a mysterious book heist.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

The steepest classic funicular in the world glides along a dizzying incline.

A German apartment building hosting as many trees as human occupants.

Museum featuring strange and enchanting toys of the past.

An Austrian house of bones filled with hundreds of intricately painted skulls.