A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

This spooky statue sits outside a famous Prague theater.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

Wander among the abandoned ruins of this once-powerful medieval town.

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.

An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

This museum explores the grim reality of life in the earliest British colonies in America.

Instead of using billboards, some people here relay their messages on the side of a mountain.

A historic, century-old house plopped along the perimeter of Houston's ballpark.

A mysterious shape catches the eye in this 16th-century painting.

This legendary urban waterfall creates a dazzling display of rainbows.

A California city claims to be the home of a fast-food classic.

Reputedly based on the tomb of Jesus Christ, this crypt is the oldest surviving structure of any cathedral in England.

This memorial museum chronicles the apocalyptic destruction of the First World War.

The strip club's VIP lounge is actually a rare repurposed Futuro House.

This spectacular track has run continuously since 1882.

A trailblazing sovereign nation tucked in the American state of Wisconsin.

Where beautiful signs live on forever.

One of 100 “Whaling Wall" murals painted in 13 different countries by a renowned marine life artist.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

A building shaped like the Army Corps of Engineers logo, because why not?