This centuries-old canal known as the Cuckoo Dyke has a staircase of locks suitable for a giant.

The pieces in this sculpture garden are made from demolished buildings that were once landmarks of Motor City.

A tree that defies gravity grows in an ancient ruin.

This symbol of Polish heritage survived the occupation during World War II, hidden in plain sight.

This recreation of a 19th-century dime museum is full of oddities.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

A 10-foot-tall concrete Alley Oop statue left over from World War II now stands on the side of the road.

A massive cave complex boasts some of the clearest water (and most charming bats) in the world.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

An abandoned 1920s school with a mysterious history.

A beautiful, creepy 19th-century castle stands incongruous in rural Vermont.

Tokyo’s only Vaudeville-cuckoo clock–steampunk-Victorian curio cabinet time piece.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

Tacoma’s 25-foot coffee pot music spot has served up over 80 years of concrete kitsch.

Remains of a historic fountain that was mysteriously lost in the demolition of a D.C. traffic circle.

A perfectly preserved hill village where the buildings are painted like white lace.

This statue inspired by Renoir's famous painting embodies the jovial spirit of Key West.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

A glacial pothole was once a hideout for a notorious Scottish outlaw.

This snug medieval lane is one of the narrowest streets in the world.

A pair of 7-foot legs belonging to the military man of the Mayflower stand jauntily by the side of the road.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

A wunderkammer of exoticism immortalized by Tom Waits.

This Spanish shoe museum has history, has design, and has a pair of Rafael Nadal's tennies!