A gateway to a mysterious network of underground tunnels.

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

A memorial to the victims of Argentina's "Dirty War."

Bible stories are brought to life with gloriously cartoonish kitsch in this South American theme park.

A vast necropolis where you'll find the elaborate mausoleums of Argentinian tango stars.

A beautiful young girl said to have been buried alive in her coffin…

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

A bright little alley in La Boca is a part of tango history.

A tower devoted to — and modeled after — the Divine Comedy.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

The island houses the ruins of a secret nuclear fusion lab that once employed high-profile Nazi scientists

Dedicated to an "Unknown Man," this grave holds either the remains of a lovelorn suicide or a Cold War spy.

Inside this museum is an ongoing excavation of an ancient shipwreck.

You can still find treasures on the pebbly beaches of one of the world's oldest jade-producing areas.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

A unique museum dedicated to culture and artistry of carpet weaving.

Blue-green pools and smooth stones comprise one of Spain’s most idyllic hidden wonders.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

A magician and his beloved, pampered canine were buried together, within days of each other, due to a tragic twist of fate.

This Kyoto Starbucks takes coffee drinkers back in time.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.