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

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world’s largest coastal brick fortresses.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

This museum shaped like an inflating balloon celebrates the sport’s buoyant achievements.

A lookout spot for the Andean condor, at the edges of one of the deepest canyons in the world.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

A hidden gem, named after a San Franciscan icon, offers spectacular views of the Pacific Ocean.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

A tiny village church in dramatic surroundings.

This massive redwood tree has a drive-thru tunnel carved out of its trunk.

This lush, scenic spot was carved by the turquoise waters of the Radovna.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

The oldest known university in the world is in Fez, Morocco.

This hotel is located on the edge of the world's largest salt flat and is made out of the only material around.

A seemingly endless landscape of pure salt stretches far across Bolivia.

A massive display of meteorites all found in the Atacama Desert.

With nearly double the depth of the Grand Canyon, this Peruvian canyon is one of the deepest in the world.

An exhibition devoted to the life (and posthumous taxidermy form) of the last known representative of the Pinta Island Tortoises.

A swing to dangle you off the very edge.

A short volcanic hill in Quito doubles as a stellar observation point of an iconic statue.