This historical manor is complete with a magnificent garden.

One of Madrid's oldest trees, with a long and colorful history, resides in El Retiro Park.

This postmodern apartment block was designed to be a vertical neighborhood.

Madrid's last horchata kiosk is a blue-and-white beacon of refreshment.

This lucky bronze frog was gifted to Madrid by a casino.

The unexpectedly beloved remnants of a controversial thermal power plant.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

These fly sculptures are scattered around the city and represent the patron saint of Girona.

A striking symbol of the Bulgarian capital.

This fort dates back to 1588 and was colonized by the Portuguese, Dutch, and English and sits prominently on the Indian Ocean where azure water lap the coast.

This amazing mountain temple is topped by one of the tallest sitting Buddha statues in the world.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

The largest salt lake in the Sahara is mysteriously alluring.

This monument is a stark reminder of the horrors of the Zanzibar slave trade.

In Zanzibar, a historic 19th-century palace is a reminder of the world's shortest war.

Freddie Mercury's childhood home is now a monument to the iconic Queen rockstar.

The former home of a conniving 17th century politician is now a high-end hotel.

This enormous censer uses a pulley system installed over 400 years ago.

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

This Gothic church houses ornate royal tombs and a magnificent gilded altarpiece.

This remarkable museum sprung from one of the most important prehistoric archaeological sites in the world.

A statue of a boy looks up at where the famous rival to the Leaning Tower of Pisa once stood.

The mysterious large white cross visible from the runway is a memorial to a massacre during Spanish Civil War.