Home to the longest wooden escalators in the world.

One of several Lilliputian portals that are ready to transport passengers to other dimensions, if they can find them.

Everyone's favorite clay duo immortalized in bronze.

This round structure dotted with portals is one of several pieces scattered throughout Lancashire.

Opened in 1932, this theater in Stockport's Mersey Square is a bonafide Art-Deco gem.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

World's largest cave was only discovered in 1991, and now offers tours to the public.

An unassuming music museum recounts the rags to riches story of a dramatic Portuguese genre.

In the Monastery of São Vicente resides a gallery devoted to a breathtaking collection of seashells.

Singapore's landscaping project is home to 18 incredible Supertrees.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

A surreal museum of extraordinary industrial objects.

No need to strap in for a "ride" on this walkable roller coaster.

This 600-year-old home seems to defy physics.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A brush maker used his factory to protect blind Jews from the Gestapo.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

You've probably seen these distinctive orange-tiled columns on the big screen.

This mesmerizing and surreal landscape features intricate patterns of white and red sandstone.

One of the most easily accessible examples of the rare 1960s UFO houses.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

A stairway to heaven, or to nowhere at all.