Costa Rica's best known combat zone, used during the Battle of Santa Rosa.

There is a small island in the Gulf of Nicoya where the only human inhabitants are dead.

Balanced rock sculptures pay tribute to a murdered conservationist and his pioneer wife.

This abandoned hospital is one of the most haunted places in Costa Rica.

Once the foundation for a mansion, these ruins now offer amazing panoramic coastal views.

One Costa Rican island is so beset by illegal shark poachers that the local rangers have built an entire bridge with their confiscated gear .

Costa Rican accommodation resembles a crash site, but with a nice balcony.

A secret climbing tree hides along the side of a Costa Rican road.

Sloth rehabilitation center in the jungle of Costa Rica.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

This Costa Rican topiary park is a surreal garden of unearthly delights.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

Artfully arranged bones of 5,800 Austrians.

Baroque celebration of the end of the Great Plague of Vienna.

A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.

Each year melting snow turns these Austrian hiking trails into scuba zones.

This cubist Vienna church building looks like some sort of alien stonehenge.

The resting place for anonymous victims of the Danube's dark waters.

Located right outside of Vienna, visitors can take in expansive views of an ethereal forest.

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

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

The final resting place for the remains of 143 Habsburg royalty.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.