A mysterious taxidermy man-beast of the seven seas.

A small and quirky museum hidden inside a fence.

The granite head appears to be deep in thought and half buried in the ground.

Early prototype for Frank Lloyd Wright's Guggenheim.

The oldest alley in San Francisco is paved with a reminder of the city's original shoreline.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

Few other hotels can rival the grandeur of the Castle in the Rockies.

One of the best-preserved medieval streets in Europe.

Scores of wax baby figurines add an unusual mood to this beautiful church on the Greek coast.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

An abandoned NSA listening post on Berlin's "Devil's Mountain."

This dockworkers' lunch joint has been left leaning by a century of storm floods.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

A little Lady Liberty stands in the Norway town where the copper for the real thing came from.

One of the most easily accessible examples of the rare 1960s UFO houses.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

This platform is now a memorial dedicated to those who were deported during the Holocaust.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

A subterranean house of worship carved right out of the bedrock.

This ten-ton fruit sculpture celebrates the Finland homeland.

An alien church provides much needed silence in the midst of a Finland shopping center.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.