The largest retailer of seashells in the world.

This kitsch eatery is chock-a-block with bric-a-brac.

A memorial for public executions that dates back to the 14th century.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

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

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

Historic cuisine meets fine dining in a hotel-restaurant overlooking Hyde Park.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

Giant, friendly pelicans in Central London, the most unlikely of places.

An 11th-century runestone decorates the halls of Terminal 2 of this Scandinavian travel hub.

Stockholm's tiniest statue is of a small boy looking at the Moon.

Stockholm's narrowest alley is barely over two feet wide.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

A geological mystery on Camelback Mountain.

A 2,000-year-old Adena burial mound located along a busy street in Columbus, Ohio.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

This exaggerated sculpture resembles a well known feature of Vancouver:

A pixel art killer whale is frozen mid-leap in this Vancouver square.

This historic Victorian hotel has a scandalous history of affairs and murder.

A wall of chewing gum moonlights as collective art.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

California's own majestic geyser is powered by a subterranean volcano.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.