Try not to get slimed in Tribeca.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A colorful architectural gem in Seattle's uniquely modern Central Library.

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

A walk through the historic city center, under the streets of Seattle.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

A comprehensive collection of bonsai set in a beautiful campus.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

A (slightly) grownup take on the classic retro arcade.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Hear the quietest sound from across the dome.

An unusual round church in London with a Templar past.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

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

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

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

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