The remnants of an archaeological camp stand within Tikal National Park.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

One of the world’s most colorful cemeteries, where each pigment is symbolic.

This abandoned fortress still stands guard over the Guadiana River despite a history of warfare.

The ruins of a 16th-century bridge loom over Olivença's sovereignty.

This historic streetcar system has been running since the 19th-century.

An icon of the city, this chapel features an amazing dome ceiling and offers panoramic views.

The ancient sauropod tracks found in this former quarry are some of the largest in the world.

Building owners can take out tiles for free at this repository for historic building materials.

An architectural gem nestled into a promontory overlooking a prehistoric landscape.

Tucked away inside this concrete building is a church and its grand display of brutalist architecture.

A fortress off the West coast of Portugal that dates back to 1502.

A small but charming botanical garden that contains many exotic plant species.

The best place in the world to buy tinned fish.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

A temple to modernity, tucked away amid Barcelona's more well known museums.

A submerged village appears when dam levels drop.

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

The Hanshin Expressway goes right through its 5th, 6th, and 7th floors.

Coast along one of Japan’s mountain railways for coveted views of magnificent hydrangeas.

With over 12,000 different species of plants, this botanical garden is Japan's oldest and most diverse.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

This enormous, elaborate tomb looks oddly out of place next to a suburban Edinburgh bowling club.