This misspelled graffiti reappears every time it is removed.

An incredibly durable timepiece glows beneath shoppers' feet.

Hundreds of signs pointing to the birthplaces of current Helsinki residents form stalactites on the ceiling of the cave-like Kamppi metro station.

This church also serves as a lighthouse complete with a beacon.

Dedicated to the outnumbered Finnish forces who pushed back Soviet forces during the conflict.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

Finland's oldest astronomical observatory once played a crucial role in seafaring and timekeeping.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

The oldest continuously occupied public building in the United States.

One of the oldest monasteries in the world is a key pilgrimage site for both Muslims and Christians.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Limestone caves with spectacular showcase chambers.

A reproduction of earth's many biomes.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

This church on a Tohono O'Odham reservation has stood since 1797.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

This unique zoo is the only place in the world where you can see all 15 species of crane.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

More than 5,000 contemporary and "historic" mustards from around the world.

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

A colossal gold-dredging machine from the Klondike mining boom, now open to tours.

Japan's first train station is also the site of Godzilla's first destructive visit to the nation.

The only road through the heart of Glacier National Park.