This fresco inside a Serbian cave church has been a source of disagreement.

The fading, forgotten remains of a once bright and booming factory.

Camels and crocodiles share the black waters of this stunning Saharan oasis.

A well preserved medieval fortress in Vojvodina.

This isolated island is often capped by its own fluffy cloud.

The most beautiful Taco Bell in the world even has surfboard parking.

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

One of the world's richest men bought this former paper factory and transformed it into a mall.

This Parisian café sticks almost exclusively to an ethos of reuse.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

Apartment complexes built into huge repurposed natural gas tanks.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

You can row a boat through this ancient underground reservoir.

A whopping 14,000 copper coins cover this miniature fighter jet.

A mysterious tunnel hidden in the shadows of a colorful, historic sanctuary.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The main gates have been locked since 1745 and will remain so until the Stuart Dynasty returns to the throne.

Remnants of the Nazis' occupation of Denmark linger along the sand.

A market built atop boats is one of the few floating holiday markets in Europe.

The most important and best preserved remnant of West Africa's powerful Songhai Empire.

This giant sculpture is both loved and disliked by the local community.

Its original statue was deemed so ugly, locals called it “Scary Lucy.”

Legends of treasure and spirits flow from this this fairy tale-like oasis.

A stone pillar marking the location of the westernmost battle of the American Civil War only honors one side of the conflict.