Gruesome statues of people reborn in Buddhist hell stand among the ruins of an 11th-century sanctuary.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

The last municipal pneumatic post system in the world was in operation for over 100 years, and may run again.

Romans built the world's tallest artificial waterfall in 271 BC.

This ancient walled garden turns fog into food.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Brussels' favorite peeing boy has a sister.

Cozy basement bar sports an inventory of over 2,000 beers.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

Hamburgers are intensely proud of their tunnel beneath the river.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

A Buddhist theme park brings you a Buddhist version of Hell.

Singapore's landscaping project is home to 18 incredible Supertrees.