In the city forest of Augsburg are oval, artificial ponds formed from a World War II bombing campaign.

Next to the well-known retaining weir "Hochablass" is the former raft port for the city of Augsburg.

Deep in the forest next to Augsburg are abandoned bunkers and bullet traps from the region's military past.

A typical crusty old museum this isn't.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

Albert Einstein's head sticks out of a snail shell stacked on a rocket in this truly bizarre monument to the scientist.

Remnants of a cone-shaped Nazi bomb shelter.

This old wooden funicular railway leads to a cemetery in the forest.

This natural hill rose another 130 feet from the debris and rubble added after World War II.

One of the most easily accessible examples of the rare 1960s UFO houses.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

The unusually large seat sits atop the base of a ruined temple.

Sweden's first Viking city is also the site of thousands of burial mounds.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A home covered with elaborate mosaic and other pieces of art.

This Chinese-style quartz sundial was saved in its final hour.

It's easy to forget what century it is as you wander this rustic homestead.

The remains of the dam that unleashed a 15-foot wall of water on Denver.

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

This super steep hike ascends 2,000 feet in less than a mile.

There are eight natural springs around town, each with a slightly different taste.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.