Things aren't quite what they seem at this mind-bending museum.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A visionary Italian architect created an impressive cluster of concrete structures for a family's private tomb.

The stunning interior of this Gothic church is covered in ornate gold details.

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

It took an artist 20 years to create this sprawling sculpture garden honoring the area's ancient inhabitants.

There's nothing shrimpy about the world's largest artificial prawn.

A headstone notes where the most famous of Robin Hood's legendary Merry Men is reportedly buried.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

The red brick house where the father of rock 'n' roll wrote some of his classic hits.

A remarkable time capsule of American manufacturing deep in Maryland coal country.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

This romantic, decaying 13th-century ruin on the edge of Sherwood Forest is reputedly one of England's most haunted places.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

A tower-like theater in the Swiss Alps built to withstand the high winds and avalanches of the mountain pass.

Local lore says the devil built this beautiful medieval bridge to help a fleeing bandit.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

The sculpture is made of more than 100,000 knives collected to raise awareness about violence.

A vintage video game wonderland in downtown Reykjavik.

Mirrored floors and arched shelves create the illusion of an infinite tunnel of books.

No one's quite sure where this quirky university tradition originated.