Elevated freight railway turned wildly successful urban park.

Walk into the 19th century without leaving Brooklyn.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

A 125-meter long "tribute to the Brazilian people."

This striking, two-toned confluence of rivers is visible from space.

A beautiful opera house in the heart of Amazonia has recently restarted performances after a 90-year hiatus.

An Amazonian hotel is the ultimate treehouse and provides stilt based accommodation.

As one of the world's largest hydroelectric dams this plant took two countries to get built.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

Famously misunderstood wonder of the ancient world

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

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

Regency-era excess on the English Coast.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Catacombs turned marketplace.

This one has sailed five times as far as Sir Francis Drake's famous ship.

One part local history, 99 parts gruesome haunted house.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.