This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

A psychological self-portrait in the form of a giant, segmented head.

A mysterious spot where the laws of gravity seem not to apply.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

His "Lionheart" is entombed separately from the rest of his body.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A typographic tribute to the many comedic greats who make Great Britain laugh.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

A curious whirlpool formation supposedly capable of entangling or engulfing branches, tree trunks, or whole rafts full of hapless tourists.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

A wall of chewing gum moonlights as collective art.

Don't be fooled by this fake medieval facade even if it is almost 300 years old.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

Largest lake in Great Britain measured by surface area.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Exact replica of the ancient monument, but much, much lighter.

The only presidential monument to display a late POTUS's actual casket.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

Ruins of an American Civil War iron forge still survive today.