A museum of Czech puppetry and wine in an allegedly haunted 14th-century stone house.

Be(w)ar(e) the moat around this historic Czech castle.

A tongue-in-cheek arcade where the games are based on everyday life.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

These 19th-century gas tanks were remade into an apartment complex.

This sculpture encompasses the emotion of rail travel.

An oddity of a bygone era that stills functions today.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

Flying high, this unusual hornet statue celebrates the local soccer team formerly owned by Elton John.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

An excavation site that signified Hercules in Pula, and a glimpse into the city's Roman history.

When this monument to Slovenia's national poet was erected, it's said to have sparked the ire of nearby church authorities.

A public work of art that also provides some relief from the summer heat.

This memorial to a murdered empress took 20 years to design, then spent 30 years hidden away in storage.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

How did an Australian statue of the Bard of Avon end up in the Hungarian capital?

A 19th-century artistocrat's mansion, turned into a library, hidden in a modern library.

Dine on Hungarian-Jewish dishes at this multigenerational, family-run institution.

Central Europe's largest collection of mini-bottles is on display at this museum devoted to a bitter Hungarian liquor.

Time stands still at this serene burial ground in the center of Budapest.

A giant glider—designed by the father of the Rubik's Cube's designer—now soars within a shopping mall.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.