This translucent sculpture represents a quintessential component of New York City's skyline.

This overlooked gem outside Niagara Falls preserves and celebrates Iroquois culture.

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

Where the legendary Orson Welles got his theatrical start before "Citizen Kane."

This relic of 19th-century infrastructure is one of the few remaining coal gas storage tanks in the U.S.

The childhood home of Earth's alien chameleon is a humble Brixton flat.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

This old-fashioned candy shop, ice cream parlor, and diner served as the setting for one of TV's most controversial series finales.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

The largest of London's subterranean rivers and once a mad, bad center of London life.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

London's smallest police station is barely the size of a phone booth.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

The television series' iconic giant foot was borrowed from this classical painting.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

The broken skateboards that became a poignant memorial to a murdered skater.

A living memorial to the trees London lost during the Great Storm of 1987.

An unusual round church in London with a Templar past.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

English antique dealers with a taste for the unusual.

The final resting place to 300 Victorian-era pets hides inside the city park.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.