Resting in the middle of an Austrian river, this sci-fi "island" lets people cross in neon style.

Fantastic stories on a miniature railroad.

The Greek island's old British cemetery feels like a forgotten garden.

The unusual sculptures are believed to be powerful political symbols.

A tribute to a man who defied the Nazis until his last breath.

This statue became the mascot of Vrnjačka Banja after Games Without Borders made a stop in this town.

The bizarre rocks of Đavolja Varoš are the result of natural erosion.

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

The ridged layers that make up this river canyon represent Earth's geological history.

These warring psychedelic crags commemorate an unsuccessful military operation.

A futuristic, brutalist masterpiece that is also strangely prison-like.

Structure built from the skulls of vanquished foes.

This memorial park stands on the site of one of the largest mass executions of the Second World War.

A Red Cross memorial museum at the site of the Niš concentration camp that operated for four eventful years during World War II.

An 11th-century Byzantine church with medieval Serbian history and spectacular views.

A sinuous path among steep cliffs creates a stunning sight in southwestern Serbia.

An idyllic traditional timber village on a picturesque hill was built for a film.

Stone age urban planning.

A hidden stream deep in the mountains creates one of the largest tufa waterfalls in Serbia.

Moss and stone turn this waterfall into an otherworldly liquid veil.

Abstract monuments express sorrow and resilience at the site of a horrific massacre in Nazi-occupied Serbia.

The interior of this Serbian royal family's mausoleum is covered with exquisite mosaics.

This spa park features an open-air museum of abstract marble sculptures.

In the hinterlands of Serbia's capital, a giant reflective mushroom houses an aeronautical history of the former Yugoslav republic.