Go surfing on this urban wave, "hacked" by local surfers.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Lucerne's central prison was converted into a tourist hotel with a bare minimum of changes.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

Stroll through a wonderland of stupendous moss-covered trees.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

World War II bunker still standing on the New Jersey beach.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

Watch the newest land on the planet form before your eyes.

This black shoreline is made up of exploded lava particles.

A controversial memorial at the place where Captain Cook met his violent end.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

An architect's childhood fantasy treehouse made real.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

Over fifty whirling pools left by the glacial age.