A museum dedicated to the former country.

A pair of connected skyscrapers form this symbolic gateway.

This ice cream parlor serves scoops of flavors like rakia, medlar, and poppy seed.

Considered an architectural abomination by some, this metal-clad building is known as 'little red riding hood' by locals.

One of Serbia's oldest luxury hotels and a nostalgic echo to Yugoslavia in the state's former capital.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

This fascinating and poignant museum chronicles every imaginable aspect of Spanish colonialism in the Americas.

Inaugurated three times, this tower offers some of the best views of Madrid.

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

An ancient Egyptian temple in the middle of Madrid, Spain.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

A statue commemorating a beloved stray dog who was adopted by the entire neighborhood where he lived.

The world's largest wooden structure.

The final resting place of the great navigator, or maybe his brother.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

The ruins of an unfinished explosives factory can be found while taking a gentle stroll through a Manx glen.

World's largest working waterwheel has been around for over 150 years.

This Victorian water wheel is affectionately nicknamed "Little Isabella."

This concrete memorial commemorates a group of brave locals who saved the crew and passengers of a wrecked ship.