This corn maze so big you may want to pack a lunch, and possibly a flaregun.

Each summer, the migratory bats living beneath the bypass form "batnadoes" at dusk.

The California capital city once stood 10 feet lower than it does today.

A small island in Lake Garda that was used as a burial site, pirate hideout, and a monastery.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

Deceased nuns were placed on stone chairs to decompose, while the surviving nuns prayed near the lifeless bodies.

A once popular resort—said to be the vacation spot of gangster Al Capone—now remains abandoned in the woods of Arizona.

Collection of vintage trailers double as hotel rooms.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

The Arctic Archipelago is home to world's largest third order island: an island in a lake on an island in a lake on an island.

A two-hour hike in the Orfento Valley leads to the remote ruins.

This Parisian café sticks almost exclusively to an ethos of reuse.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

A natural gas leak provides a flickering flame beneath a waterfall.

Mysterious hillside with a continuously burning natural fire.

The world’s largest underground marble quarry is hiding in Vermont.

The floating gallery illuminates the heart of Québec City's arts district.

A contemporary fresco movement illustrates the region's rich history.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

Its columns were all carved from the same white oak tree.

Two thirds of this Montreal neon icon has survived to flash another day.

Futuristic apartment blocks are the backdrop for Montreal surfers hangin' ten on the Habitat '67 standing wave.