Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

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

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

Where commuters walk through remnants of an ancient Greek necropolis.

The ruined doorway is a portal to the building's turbulent and torturous past.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

This elaborate towering structure was once famed for its revolutionary height.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

Staten Island's original central park is the former home of the city water supply as well as thousands of immigrant graves.

The only subway station in the city that still makes use of gap fillers.

An eerie diorama that captures the majestic nature of a few prehistoric-looking beasts.

This taxidermy scene brings the struggle for survival in the Indian jungle to a quiet corner of a Manhattan museum.

This poignant display is now a memorial to these regionally extinct species.

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.

This morbid scene depicts the Darwinian drama of death on the African savannah.

An aptly-named street near the birthplace of the modern LGBT rights movement.

This theater opened in 1998, but both the building and the puppeteers who perform there have a distinguished history.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

This magnificent herd of stampeding elephants has been frozen in time for over a century.