A market built atop boats is one of the few floating holiday markets in Europe.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

A town filled with hot chocolate, dazzling lights, and lots of Christmas cheer.

A Cajun-style Christmas on the river also involves sky-high pyres and explosives.

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.

Founded by a high school teacher, this poetry magazine became a center for all things literary.

A German artist built a home and garden filled with whimsical art pieces, like a massive, operational volcano.

The famous facade of Grand Central Terminal hides a regulation tennis court—and it's not the first one.

Once considered the height of medical modernity, this structure is now the oldest remaining component of Roosevelt Hospital.

The former home of the reclusive "Weird Wendels" who dominated New York real estate a century before Donald Trump.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Giant instrument-shaped home in Fayetteville, Georgia.

On a quiet suburban street stands a peculiarly decorated house covered in mosaics.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

A reclusive Memphis neighborhood is home to decades worth of misunderstood Masonic folk art.

This structure among the trees was the result of divine inspiration.

The ghostly remains of an accidental sea.

The final resting place of one of the United States's greatest poets.

These rose marble urinals are the most luxurious loos in Liverpool.

The tallest mud-brick structure in the world has been standing since the 1500s.

New York's oldest magic store.

London's largest outsider art museum.