Cascading outward, this waterfall creates the appearance of a flowing veil.

Every four years, millions of salmon fill a river so densely that its waters appear deep crimson.

Small Easter eggs are hidden in the ventilation holes of the city's newest trains.

Sweden's oldest animated sign is still lighting up the skyline today.

This small museum nestled inside a souvenir shop is dedicated to Sweden's most well-known toy.

Outside a Viking museum sits a modern-day runestone made by a Swedish runemaster using traditional methods.

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

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

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

Sweden's "good old days" painstakingly re-created in a model village.

The library's graceful rotunda is like a bibliophile's temple.

It houses the remains of a 17th-century version of the Titanic.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

This sandstone mansion was the home of two of Oregon's most important pioneers.

Entering this curiosity shop is like stepping into a mad scientist's lab.

10,000 flowered plants bloom in the City of Roses.

Watch maple syrup being made without ever leaving the city.

This illuminated sign was the first of its kind in Canada and remains a vestige of the Atomic Age.

This defunct Champlain Oil service station harkens back to the early days of automobiles.

Now a public art piece, this curious metal feature originally advertised a tinsmith's services.

These locks on North America’s oldest canal are named after a porcine rock formation.

These prehistoric replicas were based on actual skeletal remains.