These biodiverse university gardens form a green oasis amid the urban chaos of Mexico City.

Acres of natural wonders left behind by a socialite-turned-gardener.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

Quito's historic, main square dates back to the 16th century.

You may get stranded and everyone's peeing in the water, but at least there's cocktails!

Come for the springs; stay for the mud bath.

The larger of two volcanic peaks rising out of the crystalline waters of the Caribbean.

An abandoned Victorian-era amusement park is rusting away amidst luxury houses.

Inside the Wayne County airport is an amazing collection of lights and sounds.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

This former industrial site has transformed into a community sculpture garden that hosts monthly Full Moon parties.

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district.

Explore a remarkable 35-hectare sculpture garden located an hour outside of Lisbon.

Study the Alien etchings in this fountain while you refill your water bottle.

This work of engineering is imbued with elegance and ingeniousness.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

The world's largest wooden structure.

Eat the ultimate iteration of Portugal's most beloved pastry.

Step back in time at this 19th-century kiosk.

In 1927, a biplane disappeared while attempting to complete the first non-stop transatlantic flight between Paris and New York City. This memorial stands at the last place it was seen.

One of the oldest and largest wooden churches in France was very evidently constructed by shipbuilders.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.