Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

A beautiful little museum hidden away in the heart of Barcelona holds a treasure trove of Ancient Egyptian artifacts

One of the most photographed buildings in a city known for its Modernista architecture is an abandoned squat.

This cemetery features modernist statues as strange as its name.

The remnants of an archaeological camp stand within Tikal National Park.

Come for the springs; stay for the mud bath.

Under the desolate and windswept northern coast of Barbados stands a small oasis filled with sea anemones.

This popular tourist cave was ignored for almost 200 years before being mined into an attraction.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

In Costa Rica's cloud forest, the roots of a woody ficus create a botanical bridge.

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

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