This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Portugal's National Pantheon has a history of curses, collapses and financial problems.

This clifftop arch is a natural stunner.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

A complicated, forgotten beacon of hope for thousands of immigrants, "Canada's Emerald Isle" lies in ruin.

The largest axe on the planet contains a time capsule that seems like it may never be discovered.

This monster fiberglass crustacean stands watch over the self-proclaimed "lobster capital of the world."

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

Despite the name, the waters of this Canadian lake are actually blue-green in color.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

Op-art architecture designed for happiness.

Made of granite, this is a symbol of the Inuit peoples near water that expresses abundance.

This quirky piece of naval artillery has been deafening Canadians for over a century.

The colorful, smiling concrete silos of Vancouver.

A bronze statue of the famed Prussian naturalist commemorates the year he spent in Mexico.

The outside of this theater is decorated with a Diego Rivera mural that explores the history of Mexico.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

The hot chocolate here all stems from small, sustainable microproducers in Chiapas and Tabasco.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

Every equinox this Maya pyramid puts on a spooky ancient light show.

As you overlook the Howe Sound and the town of Squamish, your breath will be taken away by its beauty or the stairs... probably all the stairs.

Cascading outward, this waterfall creates the appearance of a flowing veil.