A haunting collection of the vanished and disappearing natural world.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

Paris' linguistic guide to the international language of, yes, love.

A museum of carnival attractions where you are invited to ride the rides.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This massive library holds what was once the largest book collection in the world.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The remains of an ancient settlement in one of the oldest archeological sites in South America.

An unexpected desert oasis in South America.

The only restaurant serving indigenous foods from the Amazon.

A beautiful opera house in the heart of Amazonia has recently restarted performances after a 90-year hiatus.

A secret climbing tree hides along the side of a Costa Rican road.

This abandoned hospital is one of the most haunted places in Costa Rica.

Once the foundation for a mansion, these ruins now offer amazing panoramic coastal views.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

This Costa Rican topiary park is a surreal garden of unearthly delights.

Sloth rehabilitation center in the jungle of Costa Rica.

A timber transport car and a team of horses were needed to carry this lookout to the top of Mount Tarrengower in the 1920s.

This former convent has been reimagined as a community center for artists.

The ruins of Brisbane’s own Alcatraz now sit in the middle of a national park.

It's said that visitors can "see" Tasmania inside this cave.

The name for this waterfall was derived from the Aboriginal word used to describe a rainforest vine.

Once a farming community founded by the Italian survivors of an immigration scam, this colony is now a free camp and roadside attraction.