The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

The morbid items in this small and hidden museum are not for the weak stomached.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

A marvel of technology a century ago, this disused power station now offers a lovely glimpse into the industrial design of the past.

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

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

A public park off the beaten path with a beautiful waterfall and 13th century Cistercian abbey.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

This French "sea of rocks" is packed with stunning rock formations and its own medieval castle.

700 iron sculptures crammed into a Mediterranean park.

An often-shuddersome journey into a low-tech, robotic themepark.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

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

Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.

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

A museum in the childhood house of a medical pioneer.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

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

French Time Capsule-19th Century home revealed to the public.

Walk through a restaurant's refrigerator door to reach this hidden bar.

These quaint French houses dangle precariously over a precipice.

Fur-lined metal pod dangling in the French countryside.