A series of waterfalls so massive they straddle the border of Argentina and Brazil.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

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

A fiery crater has been burning in the Karakum Desert since 1971.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

According to one local tradition, the entrance to the Voodoo underworld can be found in New Orleans through seven gates scattered throughout the city's French Quarter.

The longest hedge maze in the world.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

The 10,000 Torii shrine.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

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

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

One part antique store, one part curiosities hodge-podge.

The hidden lair of an alchemist rediscovered in a 2002 flood.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.