A small island hides in plain sight on Austin's Lady Bird Lake.

A natural wonder in south Denmark.

The oldest trees in Northern Germany.

An elevator into the Baltic Sea.

The NASA scientists behind Apollo 11 started out developing Nazi weapons at this abandoned German rocket factory.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

The greatest amusement park in the world is wall-to-wall farting dogs, puking rats, and cows with exposed breasts for the whole family.

Six beautiful wooden giants are hidden around Copenhagen.

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

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

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

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

This chimerical bridge/tunnel appears to dead end right into the sea.

Swedish skyscraper with a 90° twist.