This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

Two stone columns flank the grand Venice square, but there were supposed to be three.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

Pilgrimage site for star-crossed lovers.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

This one-time health resort was used by aristocrats around the world.

Botero's plump bronze horse presiding over Barcelona's airport terminal

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

An early 20th-century bullring converted into a modern shopping center.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

A 246-foot-high revolving restaurant rises unexpectedly from a forested Finnish hilltop.

A stick-sprouting statue watching a duo of disembodied dancing deities.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

A stubborn Ottoman tower with a punishing climb and a view over Eger

This tomb of a Sufi mystic is a remnant of Ottoman rule in Hungary.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

A two-way chairlift system between Zugliget and the highest point in the city.

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

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

A fake Transylvanian castle houses a cathedral of antlers.