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

Tiny memorials honor individual victims of the Holocaust.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

A museum specifically dedicated to the Trabant, one of the iconic automobiles of the GDR.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

Giant topiary dog once played a role in a terrorist bomb plot.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This beautiful, historic church looks like something out of a simpler past.

An encyclopedic collection of mammal penises.

This stunning concert hall has become a symbol of Iceland's national recovery.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Cryptic messages embedded in the New York City sidewalk.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

This sculpture commemorates the first instance of an American president pardoning a turkey.

The author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

The oldest place in Hartford is a cemetery with thousands of bodies stacked beneath the grass.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.