Places martiferrer Wants to Go

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

Antique frame collection with 2,400 frames.

Cold war icon and onetime "hole" in the iron curtain.

When German-Iraqi relations broke down, this embassy was vacated post haste.

This little museum is making sure that the art and history of the graffiti sticker is not scraped from history.

Berlin's old airport.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

A surreal museum of extraordinary industrial objects.

A wunderkammer of mysterious objects and stories.

A collection of abandoned typographic signs from Berlin and beyond.

Art and a pun, all in one.

Defying all odds, this lonely little tree found a home on a log sticking out of a Canadian lake.

The stunning remnants of this wreck emerge from an otherworldly backdrop of rainforests.

A church of bones, decorated with 40,000 human skeletons.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

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

Why have you never heard of the second most popular tourist site in New York?

An abandoned lighthouse awaits its destiny: being buried under shifting sand.

A psychological self-portrait in the form of a giant, segmented head.

Underground farm located in a former bank vault deep within the bowels of Tokyo's business district.

This massive blockhead sculpture hides an entire library.

An unfinished tomb carved into a giant boulder in the Arabian Desert.

An Australian lake whose pink hue defies scientific explanation.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.