The self-proclaimed world's smallest museum, located next to a Massachusetts sandwich chain.

This tower commemorates the spot where George Washington hoisted the Grand Union flag.

A little Lego easter egg is hidden underwater in the Boston Tea Party tableau at Miniland.

Large Massachusetts museum dedicated to Armenian history and culture.

This hidden labyrinth offers walkers some brief peace of mind.

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.

A unique music museum housed in a historic Boston theater.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

Around 160 years ago, this spot marked the location of a wharf along the shores of the Charles River.

These whimsical works of art tell the story of the city's past and present.

A fiery crater has been burning in the Karakum Desert since 1971.

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

Abandoned concert venue legendary for its rock counterculture.

Series of storm drains connected to a dark urban legend.

A fairy garden in an old hotel hidden in La Marquesa forest.

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

A miniature village lies nearly forgotten in the forest by the side of a major highway.

Edison's cast-in-place concrete houses were a failure, but way ahead of their time.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

In the 19th century, this was the center of Boston's Black community.

This is the house that spite built.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.