A high-end clothing boutique with a curious basement art installation.

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

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A sweet symbol marks the place where torturous executions were once carried out.

The fountain marks the area where hundreds of accused witches were burned at the stake.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

A scattered trail of street art adds a pop of color to the city's stark structures.

The final resting place of soldiers' loyal canine companions.

360° views of the city plus five floors of optical illusions and hands-on science.

The most confusing clock in New York.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

An artist's cute bronze subway sculptures belie his violent artistic past.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

One of only two commuter aerial tramways in the United States.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Elevated freight railway turned wildly successful urban park.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”