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

A fearsome dragon clings to a corner of Munich's city hall.

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

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The patron saint of spinsters grasps a container of dried blood.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

It's good luck to be mocked by this monkey.

Prove you deserve to be fed by Kenny Shopsin.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A monument commemorating the role of Alaska's native Tlingit guides in the Klondike Gold Rush.

A tiny wilderness cemetery commemorates the deadliest episode of the Klondike Gold Rush.

A historic freight system that found the true gold rush is in tourism.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

Tiki luxury on Nob Hill.

The tea room that pushed the boundaries of adorable straight into...we can't find the words.

An enclosed rotunda at the Henry Art Gallery in which viewers can look up and see the uninterrupted sky.

A view-altering observatory at the University of Texas.

A grove of colossal man-made flowers built to collect the sun's rays.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

A museum dedicated exclusively to aircraft used in the military.

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.