The world's largest model of our planetary system.

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.

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

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

A tiny, heartwarming piece of art hiding in plain sight.

A delightful museum entirely dedicated to the tiny homes of dolls.

A big museum full of little worlds.

This fairytale medieval church in Poland originally spent centuries in Norway.

The largest of Denmark's seven mysterious round churches stands on an island in the Baltic Sea.

According to local lore, this narrow passageway through two large rocks was accidentally created by the devil himself.

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

An unusual vending machine designed to support mourners during funeral ceremonies at Zurich's largest cemetery.

A Mexican Romeo-and-Juliet-esque legend has given this super-narrow alleyway a reputation for romance.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

This candy-colored storybook village originated as a 19th-century Methodist campground.

This whimsical fountain pays tribute to Toronto's four-legged friends.

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

The Brutalist building harbors an unusual inverted dome that swoops down over its central sacred room.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

The flock of plastic poultry is an ode to the classic comedy staple.

The only pig museum in the U.S. holds one of the world's largest collections of pig items.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.