Caches starting with U.
- GC4JH9Q:
Unbelievable!, Multi-cache
- GC92:
Un-Original Stash, Traditional
- GCPRMJ:
Union City Reservoir, Traditional
- GC11Q3V:
Under Eight Flags, Traditional
- GC14ATF:
Union City's Legion, Traditional
- GC14NJZ:
Union's 1st Court, Traditional
- GC17PY7:
Underpass in da Creek, Traditional
- GC1GK50:
Uniontown Cemetery, Traditional
- GC1J8Y7:
Using Satellites, Traditional
- GC1QW6X:
Uncle Sam needs a few new geochers, Traditional
- GC1TTTH:
Under the Parkway, Traditional
- GC1XXN9:
U Park, Traditional
- GC1XEBC:
US 50- CA to DC: Myrl Shoemaker, Traditional
- GC1Z3XA:
Uncle Billy Smith, Traditional
- GC26F11:
Under the Big Trees, Traditional
- GC28A1H:
U.C.M.C., Traditional
- GC2AP2M:
Uncle Jerry, Traditional
- GC2CGX4:
Up in the Hall of Fame, Traditional
- GC2B8EP:
Up On The Farm, Traditional
- GC2DCVR:
Under The Rooftop, Traditional
- GC2HET6:
Upper Sage Run Micro, Traditional
- GC2HGEB:
Uncle Oinker's cache, Traditional
- GC2K28D:
Unauthorized Caches Will Be Towed, Traditional
- GC34J51:
UC, IC, We All C, This Cache, Traditional
- GC386K7:
Under the Old Oak Tree, Traditional
- GC3QKWD:
Unadilla EASTBOUND 88 TB Hotel & Rest Stop, Traditional
- GC3Y7BN:
Underground, Traditional
- GC475X4:
Urgent Care, Traditional
- GC5KQC3:
Under a Rock, Traditional
- GC5TT0A:
Union City Gateway Trail, Traditional
- GC62K05:
U is for..., Traditional
- GC68VJV:
Uber Cache, Traditional
- GC76X9J:
Uprooted, Traditional
- GC7BYDH:
USA #34 - KANSAS, Traditional
- GC7BY8P:
USA #9 - NEW HAMPSHIRE, Traditional
- GC7BYDR:
USA #36 - NEVADA, Traditional
- GC7BYDW:
USA #37 - NEBRASKA, Traditional
- GC7BYDN:
USA #35 - WEST VIRGINIA, Traditional
- GC7BY6K:
USA #1 - DELAWARE, Traditional
- GC7BY6R:
USA #2 - PENNSYLVANIA, Traditional
- GC7BY7Y:
USA #6 - MASSACHUSETTS, Traditional
- GC7BYB8:
USA #22 - ALABAMA, Traditional
- GC7BY89:
USA #7 - MARYLAND, Traditional
- GC7BQM6:
Under the Rainbow - Green, Traditional
- GC7BY7D:
USA #4 - GEORGIA, Traditional
- GC7BY73:
USA #3 - NEW JERSEY, Traditional
- GC7BYDX:
USA #38 - COLORADO, Traditional
- GC7BY8E:
USA #8 - SOUTH CAROLINA, Traditional
- GC7BY7M:
USA #5 - CONNECTICUT, Traditional
- GC7BYDA:
USA #33 - OREGON, Traditional
- GC7BYWM:
USA #50 - HAWAII, Traditional
- GC7BY9M:
USA #15 - KENTUCKY, Traditional
- GC7BY9G:
USA #14 - VERMONT, Traditional
- GC7BY9X:
USA #17 - OHIO, Traditional
- GC7BYA2:
USA #18 - LOUISIANA, Traditional
- GC7BYVR:
USA #44 - WYOMING, Traditional
- GC7BY99:
USA #13 - RHODE ISLAND, Traditional
- GC7BYW8:
USA #47 - NEW MEXICO, Traditional
- GC7BYVY:
USA #45 - UTAH, Traditional
- GC7BYA7:
USA #19 - INDIANA, Traditional
- GC7BYVJ:
USA #42 - WASHINGTON, Traditional
- GC7BYWY:
USA #46 - OKLAHOMA, Traditional
- GC7BYVQ:
USA #43 - IDAHO, Traditional
- GC7BY9Q:
USA #16- TENNESSEE, Traditional
- GC9D0NA:
Under Cover, Traditional
- GCA7BF8:
Union City Parking Area, Traditional
- GCJNGN:
Use a Lifeline, Unknown
- GC323QD:
Urban CHIRPin', Unknown
- GCA61JA:
Union City Adventure Lab Bonus Cache, Unknown
- GC2C32:
USA, all the way South, Virtual
- GC4654:
Under the Bridge Virtual Cache, Virtual
- GC59C6:
Ut Prosim, Virtual
- GCKA5M:
Unsettled Spirit, Virtual
- GC7B79V:
Uncovering the Past - Holder-Wright Earthworks, Virtual
- GC7B7BK:
Untold Tale of Plymouth Rock, Virtual