Even for Egyptian royalty, the afterlife was bring-your-own-beef.

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

The highest point on the island known for buildings that touch the sky.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

Mysterious 500-year-old tapestries depict a unicorn hunt.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

From scholastic to sepulchral - now under reconstruction.

One of the best examples of the modernist movement in Madrid.

A haven for book enthusiasts across the street from Retiro Park.

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

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

A small but stubborn relic of Spain’s turbulent past hides in plain sight.

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

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

After the queen of Spain had a dream where these statues fell and crushed her, they were removed from the palace and given new homes around Madrid.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

This piece of early engineering is rather unknown despite its location in the heart of Madrid.

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

Meant to resemble a massive tree, the building is the best example of Spanish organicist architecture in Madrid.

An impressive home made of stone, carved more than a century ago.

Originally used to sell brandy, the bull-shaped billboard became an iconic symbol of Spain.

A medieval village holds a very modern hotel.

Giant topiary dog once played a role in a terrorist bomb plot.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.