Budapest's Communist-era statues, banished to the suburbs.

Medical history with an amazing, if frighting, collection of wax diseases on display.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

This was the second largest mercury mine in the world and one of the oldest preserved mine complexes in Europe.

Apparently, Hell has waterfalls in Slovenia.

Slovenia's first mosque is a striking mix of Islamic and modernist architecture.

A cemetery for Slovenian notables also serves as a popular recreation space.

A beautiful drive through the foot of the Alps traces the path of 15th-century Turkish raids.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A slice of central Asia in the middle of Berlin.

Dynastic Home of the De Piro Family.

These lesser-known Maltese catacombs date back over 1,700 years.

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

Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

A public urinal so pretty, it was declared a national monument.

A small town Romanian cemetery filled with darkly humorous gravestones.

Take Soviet nostalgia to new heights by toasting the first man in space over a full spread of Belarusian and Soviet fare.

This Ukraine alleyway has become its own little island of forgotten things.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

The site of one of the largest prison escapes of World War II.

This grubby wall is said to be one of the Earth's esoteric energy centers.

An ornate plague column – built to celebrate life – claimed the lives of numerous artisans during its construction.

Thirty creepy ghosts now inhabit this decaying 14th-century church.