Columbus' failed colony in the New World.

An eccentric German artist built this weird and wondrous castle packed with shocking sculptures and alien art.

Hundreds of pieces of ancient Taíno art cover the walls of this Caribbean cave system.

A remarkable range of flora and fauna are represented in this Dominican nature preserve.

Renowned restaurant tucked in a cave once occupied by buccaneers.

This trio of Dominican cave lakes comprise a colorful biosphere of natural life.

Monasteries on rock pillars, once accessible only by frayed ropes.

An unsigned roadside spring that is pure fun.

Sloth rehabilitation center in the jungle of Costa Rica.

New Zealand's epic shrine to all things puzzling.

Eat your Big Mac in a DC-3.

Modern art meets modern convenience in possibly the world's most architecturally important public bathroom.

A lakeside garden in the Southern Alps full of whimsical artwork and thousands of beautiful flowers.

The glacier tucked within a New Zealand rainforest.

The world's only complete colossal squid specimen is on display at the Te Papa Museum.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

The most southerly spot on New Zealand's South Island is home to surreally shaped, permanently mangled trees.

A gigantic sculpture garden is packed with innovative oddities.

Some of the clearest water anywhere in the world.

The once and future home of New Zealand's famed Pink and White Terraces.

The explorer Captain Cook may have named it White Island, but the Maori call it Te Puia o Whakaari – The Dramatic Volcano.

Tubing through a cave lit with glowworms is a magical underground experience.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.