A 300-foot-long Cold War submarine floats in a Chilean River as a maritime museum.

Pablo Neruda's custom-built lover's nest was made to remind him of the sea and named after his mistress' hair.

This pre-Hispanic apartment complex also includes ancestral paintings that point to its military past.

Dating back to the second century, vestiges of prehispanic mural paintings are found in this underground palace.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Brooklyn's most iconic restaurant, resurrected.

A Jewish deli run by Yemeni Muslims in an Afro-Caribbean neighborhood is quintessential Brooklyn.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

A network of hundreds of interconnected wineries in caves hides under the town center.

Commonly acknowledged as the only public monument to the Devil himself.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

An iconic and controversial ancient Iberian funerary urn with a hauntingly penetrating gaze.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

The anatomical-pathological collection of a man who changed surgery.

Eighty million natural history specimens call this gargantuan museum home.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

Cliffside houses provide a spectacular view from their perch above the valley.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

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

A lush indoor jungle fills this bustling Madrid transportation hub.

The world's most remote airport.

This was once the center of the Birdman cult, and is now a World Heritage Site.