This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

A unique collection of gilded age mechanical pianos.

A public urinal so pretty, it was declared a national monument.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

The attic of a four-century-old canal house hides a clandestine church.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

A floating cat sanctuary on an Amsterdam canal.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

Hoax, mistake, or evidence of dinosaurs in human times?

A battle between nature and architecture in the Cambodian jungle.

An abandoned water park overtaken by the dunes.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

Haven for Cape Fur Seals, until the Ring of Death of jumping Great White Sharks arrives.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

The original goat tower, the one that started it all.

Taxidermy of a famous hippo who spent three years walking over a thousand miles across South Africa.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

Home to some of the oldest hominid fossils ever found.

Caves that can't seem to quit producing the remains of prehistoric humans.

Two giant painted cooling towers make for one of the world’s most epic bungee jumps.