Two planes stand abandoned after the closure of an aircraft-themed restaurant.

Lines on the pillar of Heidelberg's Karl-Theodor Bridge record the dramatic heights of past floods.

A larger-than-life monument to the inventor of the Bunsen burner.

The home of Mahatma Gandhi during part of the 21 years he spent living in South Africa is now a guest house.

The elaborate façade of this old Cantonese opera house celebrates the building's history and the love story that founded it.

A one-of-a-kind shopping mall dedicated to Buddhist and Daoist spirituality.

The first Catholic church in Singapore is a Neo-Gothic colossus with a rich architectural history.

A historical convent known for taking in bad luck babies left on its doorstep is now an upscale shopping center.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

A unique, time-transcending work of art depicting the progress of trade in Singapore.

These bronze statues depict the early days of trading in Singapore.

The most playful of the life-sized statues that make up Singapore's "People of the River."

Thanks to a bit of wordplay, seven auspicious stone cats guard this ancient canalside street.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

This robust fence in front of a historic Georgetown home is likely made from hundreds of recycled Revolutionary War firearms.

A Spiritualist house of worship where believers communicate with the dead in the spirit world.

A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

There must be a pun in this haystack somewhere...

A bit of retro transportation flair preserved in the world's largest department store.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

The oldest dim sum restaurant in the United States is a nostalgic jewel.

One of the last remnants of the city's Chinese nightclub scene is now a dive bar selling killer mai tais.