The laboratory where the Soviet secret police invented exotic poisons used to kill dissidents in hideous and (mostly) untraceable ways.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

A bit of retro transportation flair preserved in the world's largest department store.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Visitors can swim with vicious predators in Crocosaurus Cove's plastic daredevil enclosure.

This Australian beach is composed of tiny shells.

Alien rock formations grown from the sands of an Australian national park.

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

A massive metal lobster welcomes tourists to a roadside restaurant.

In the northernmost city in the world, it's illegal to be buried because it’s too cold for bodies to decompose.

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

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

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

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

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

Frequent fliers welcome in this airplane hotel.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

It houses the remains of a 17th-century version of the Titanic.

This simple roadside art installation ended up sparking a folk art movement and a controversy of international proportions.

This roundabout was renamed in honor of the Swedish king's royal fender-bender.