These "mermaids" that surround a plaza in Segovia are rather sphinx-like.

A controversial art piece that harkens back to local folklore.

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

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

Kingly French toast comes soaked in milk or red wine, then drizzled in a citrus-perfumed syrup.

Automatons that were once removed after one fell from the building.

This sculpture pays homage to the street sweepers of Madrid since its inauguration in 2001 in Plaza Jacinto Benavente.

These distorting, funhouse mirrors achieved fame in a renowned piece of Spanish theater.

This little sun pays homage to a massive gate that once stood at this location.

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.

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

In this 400-year-old hotel in Madrid, you'll find a comb in every room, an old clock, and maybe a ghost.

An automaton perched above an classic clock and watch store

An unusual but excellent display created in the 1930s as propaganda against the Freemasons.

A hidden medieval crypt where a famous legend says the devil used to teach black magic.

Originally founded in 1654, this coffee house claims to be the oldest of its kind in Europe.

The bones of two medieval royal lions were discovered at the historic fortress.

A tribute to an explorer and naturalist often overlooked by history.

The fantastic charm of England's oldest botanical garden has made it a place of writerly inspiration for centuries.

One of London's lost rivers runs through a pipe over the tracks of this subway station.

An ornate and disused early 20th-century building has been given new life as a fully operational structure, complete with offices, oyster bar, and a furniture retailer.

The beloved beast's taxidermy remains sit in the Natural History Museum's cafe.

Repository for more than 22 million pickled specimens.