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.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

The romantic garden was the epicenter of the Hungarian art scene in the 1880s.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

A miniatures park with a model of Wolf's Lair as it looked during World War II.

An open-air museum of 18th-century homes and churches transported from various villages in Southern Poland.

Come to this Polish museum to take a good, clean look at filth.

Learn the fine art of making a centuries-old treat at this hands-on food museum.

Boats must transform into railroad cars to navigate this Polish canal.

One of the world's largest collections of medieval religious art.

Polish luminaries and masterful folk art find sanctuary in this unique cemetery.

A 20th-century picture show in 3-D.

A hidden art gallery in an abandoned Warsaw fort.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

Ireland's most northerly island is hauntingly beautiful. Its lighthouse was the last glimpse of home for many Irish emigrants bound for the U.S.

Originally built to monitor fishing, this Victorian tower now educates visitors about the local salmon industry.

Follow lines from a W.B. Yeats poem through interconnecting gardens designed to appeal to each of your senses.

The symbolic center of Ireland, this summit also offers panoramic views of the countryside.

The skeleton of a whale that beached itself in this Irish town is now on display in their public park.

This natural sea arch highlights Ireland's rugged coastal beauty.

Just a few miles off the western coast of Ireland lies an isle steeped in Irish literary history.