A black cat protests the City Guild in Riga's Old Town.

Flamboyant architecture from the turn of 20th century.

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

A little sculpture with a large wardrobe.

Christ's blood allegedly preserved in a Belgian town.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

These fly sculptures are scattered around the city and represent the patron saint of Girona.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

This sprawling Jewish cemetery is one of the largest in Europe.

The 1852 novel "Uncle Tom's Cabin" lends its name to a subway station, a street, and several shops on the edge of Berlin.

The original burial place of this preeminent 18th-century Jewish philosopher was razed by the Nazis.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

The smallest museum in Basel, Switzerland, is a two-foot-by-two-foot window in the door of a 600-year-old house.

One of the world's largest collections of pharmaceutical artifacts.

This artistic fountain display pays homage to this area's theatrical history.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

A Byzantine church containing the holy remnants of three saints sits atop the site of an ancient temple.

This elegant neoclassical garden is a peaceful oasis in the middle of the Nepalese capital.

Towering at a height of over 30 meters, this turn-of-the-18th-century landmark is the tallest temple in Nepal.

Dating back to the fourth century, it's the oldest Hindu temple still in use in the Kathmandu Valley.

This representation of Lord Vishnu is the largest stone sculpture in Nepal.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.