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

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

This fountain was designed to honor the man who helped bring water to Barcelona.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

A futuristic rocket marks the spot where three borders meet.

This artistic fountain display pays homage to this area's theatrical history.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

This eclectic architectural gem played witness to Zurich’s colonial past.

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

The unbelievably opulent home built for an infamous newspaperman.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

Quite simply the largest tree in the world (by volume).

Built to bless whalers before their voyages, this Massachusetts church now features a ship-shaped pulpit.

A petroleum heritage museum on the site where James Miller Williams dug the first commercial oil well on the continent in 1858.

One of the largest underground systems runs under Canada's largest urban center.

This massive boulder was hurled into a Zurich church when a gunpowder depot was struck by lightning in 1652.

World's largest Christmas store.

Within the church are the relics of the martyrs St. Jean de Brébeuf, St. Gabriel Lalemant, and St. Charles Garnier.

This "railway" for boats continues a waterway over a road.