This trio of bronze giants celebrate the influential trip to Britain that led to Botswana's independence.

The petrified remains of 150-million-year-old trees can be seen in and among the houses of the local villagers.

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

A lasting testament to the Klondike Gold Rush.

This whimsical stacked cabin looks like something out of a children's book.

Site of James Cook's historic observations of the 1769 transit of Venus.

This lucky bronze frog was gifted to Madrid by a casino.

A lush indoor jungle fills this bustling Madrid transportation hub.

The remains of the second-oldest zoo in Europe can be seen within these library gardens.

The surviving remnants of a destroyed medieval church now stand in a public park.

Archaeological sites and great food inside the island's largest mangrove forest.

The ruins of the first Spanish settlement in Puerto Rico.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This colorful gate stands as an entrance to the walled city of Old San Juan.

Everyone from Alan Ginsberg to The Rolling Stones has stopped by this classic dive bar.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

One of the oldest bank museums in Europe showcases unusual currencies of the world and other money-related miscellanea.

The pile of books behind the dignified writer gave the statue a most undignified nickname.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

This small chapel is built of human bones and decorated with a golden skeleton.

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

These spectacular ruins were built by Spanish padres in the 17th century.

It's just another skyscraper, but it's shaped like '90s cell phone.